4)  It takes Cathy 9 hours to plant a garden and Rachel 5 hours to do the same job. How many hours would it take them to plant a garden working together?   A.  ^{14}/_{45}    B.  ^{45}/_{14}    C.  14    D.  ^{4}/_{45} 

5)  It takes Nancy 2 hours to rake leaves and Ralph 5 hours to do the same job. How many hours would it take them to rake leaves working together?   A.  ^{3}/_{10}    B.  ^{7}/_{10}    C.  7    D.  ^{10}/_{7} 

6)  It takes Sara 2 hours to paint a house and Betty 8 hours to do the same job. How many hours would it take them to paint a house working together?   A.  ^{5}/_{8}    B.  10    C.  ^{8}/_{5}    D.  ^{3}/_{8} 

7)  It takes Nancy 1 hours to plant a garden and Ivania 6 hours to do the same job. How many hours would it take them to plant a garden working together?   A.  7    B.  ^{7}/_{6}    C.  ^{5}/_{6}    D.  ^{6}/_{7} 

8)  It takes Tim 3 hours to build a house and Kelly 8 hours to do the same job. How many hours would it take them to build a house working together?   A.  ^{24}/_{11}    B.  ^{11}/_{24}    C.  11    D.  ^{5}/_{24} 

9)  It takes Erin 8 hours to plant a garden and Lisa 2 hours to do the same job. How many hours would it take them to plant a garden working together?   A.  ^{3}/_{8}    B.  ^{8}/_{5}    C.  10    D.  ^{5}/_{8} 

10)  It takes Tim 9 hours to rake leaves and Erin 1 hours to do the same job. How many hours would it take them to rake leaves working together?   A.  ^{9}/_{10}    B.  10    C.  ^{10}/_{9}    D.  ^{8}/_{9} 

11)  It takes Dan 10 hours to dig a well. It takes Adam 1 hours to dig a well. And it takes Moe 5 hours to dig a well. How many hours would it take them working together?   A.  ^{8}/_{25}    B.  ^{10}/_{13}    C.  16    D.  ^{13}/_{10} 

12)  Dan travels up a hill at 20 mph. and back down at 80 mph. What is the average speed for the entire trip?   A.  100 mph    B.  32 mph    C.  ^{1}/_{16} mph    D.  ^{1}/_{32} mph 

13)  Ian travels to Grandma's house at 50 mph. How fast must Ian travel back in order to average 90 mph for the entire trip?   A.  450 mph    B.  ^{1}/_{450} mph    C.  Not possible    D.  140 mph 

14)  Dan drives three laps around a track at 90, 60, and 90 km per hour. What is his average speed?   A.  ^{1}/_{2025} km per hour    B.  ^{540}/_{7} km per hour    C.  240 km per hour    D.  ^{7}/_{540} km per hour 

15)  Quincy travels to Grandma's house at 60 mph. How fast must Quincy travel back in order to average 62 mph for the entire trip?   A.  Not possible    B.  ^{1860}/_{29} mph    C.  ^{29}/_{1860} mph    D.  122 mph 

16)  Rachel travels up a hill at 30 mph. and back down at 120 mph. What is the average speed for the entire trip?   A.  ^{1}/_{48} mph    B.  ^{1}/_{24} mph    C.  48 mph    D.  150 mph 

17)  Harold travels to Grandma's house at 10 mph. How fast must Harold travel back in order to average 16 mph for the entire trip?   A.  ^{1}/_{40} mph    B.  Not possible    C.  26 mph    D.  40 mph 

18)  Cathy travels up a hill at 40 mph. and back down at 80 mph. What is the average speed for the entire trip?   A.  ^{3}/_{160} mph    B.  ^{160}/_{3} mph    C.  120 mph    D.  ^{3}/_{80} mph 

19)  Moe travels up a hill at 50 mph. and back down at 200 mph. What is the average speed for the entire trip?   A.  250 mph    B.  80 mph    C.  ^{1}/_{80} mph    D.  ^{1}/_{40} mph 

20)  Rachel is 19 years older than Zachary. In 15 years Rachel will be twice as old as Zachary is. How old are they now?   A.  Zachary is 19 and Rachel is 34    B.  Zachary is 34 and Rachel is 53    C.  Zachary is 15 and Rachel is 30    D.  Zachary is 4 and Rachel is 23 

21)  Jade will be twice as old as her brother Gill in 4 years. Jade was three times as old as Gill 7 years ago. What are their ages now?   A.  Gill is 15 and Jade is 18    B.  Gill is 18 and Jade is 40    C.  Gill is 22 and Jade is 44    D.  Gill is 11 and Jade is 33 

22)  Zina is twice as old as her brother Craig. If 9 is subtracted from Zina's age and 6 is added to Craig's age, their ages will be equal. What are their ages now?   A.  Craig is 30 and Zina is 15    B.  Craig is 6 and Zina is 12    C.  Craig is 15 and Zina is 30    D.  Craig is 9 and Zina is 18 

23)  Jade is 8 years older than Kenny. In 5 years Jade will be twice as old as Kenny is. How old are they now?   A.  Kenny is 13 and Jade is 21    B.  Kenny is 8 and Jade is 13    C.  Kenny is 5 and Jade is 10    D.  Kenny is 3 and Jade is 11 

24)  2 years ago, Rachel was   as old as Tim. 
In 2 years, Rachel will be   as old as Tim.  What are their ages now?   A.  Tim is 8 and Rachel is 16    B.  Tim is 4 and Rachel is 12    C.  Tim is 6 and Rachel is 6    D.  Tim is 10 and Rachel is 4 

25)  Veronica is twice as old as her brother Evan. If 2 is subtracted from Veronica's age and 6 is added to Evan's age, their ages will be equal. What are their ages now?   A.  Evan is 6 and Veronica is 12    B.  Evan is 8 and Veronica is 16    C.  Evan is 2 and Veronica is 4    D.  Evan is 16 and Veronica is 8 

26)  Fiona is 17 years older than Ian. In 14 years Fiona will be twice as old as Ian is. How old are they now?   A.  Ian is 3 and Fiona is 20    B.  Ian is 14 and Fiona is 28    C.  Ian is 31 and Fiona is 48    D.  Ian is 17 and Fiona is 31 

27)  Jade is twice as old as her brother Paul. If 13 is subtracted from Jade's age and 4 is added to Paul's age, their ages will be equal. What are their ages now?   A.  Paul is 13 and Jade is 26    B.  Paul is 4 and Jade is 8    C.  Paul is 17 and Jade is 34    D.  Paul is 34 and Jade is 17 
