Math Homework
One week,Kristi worked 3 days at a department store for 3 1/2 h each day she was paid 9 dollars per hour.
A.) How many hours did kristi work that week ? Show your thinking.
3 1/2 x 3
3 x 2 + 1 = 7/2 x 3 7/2 + 7 1/2 = 12/21
2 divided by 21 is 10 1/2 hours
B.) How much did kristi earn that week?
( 3 1/2 x 3 ) x 9
10 1/2 + 10 1/2 + 10 1/2 + 10 1/2 +10 1/2 + 10 1/2 + 10 1/2 + 10 1/2 + 10 1/2 = 130 1/2
=130.50 per week.
10.) It takes 3/5 of a tank of gas to get to work and back each day.How much gas is used over 5 work days ? Show your thinking.
3/5 x 5/1 =15/5
=3/1
=3 tanks were used for 5 work days
11.) Owen is 2 1/4 times as old as robin.When robin celebrates his 8th birthday,how old will owen be ?
2 1/4 x 8 1/2 =
9/4 x 8/1 =
8/4 x 9/1 =
2/1 x 9/1 = 18/1
=18
Owen will be 18 when robin comes 8.
A.) How many hours did kristi work that week ? Show your thinking.
3 1/2 x 3
3 x 2 + 1 = 7/2 x 3 7/2 + 7 1/2 = 12/21
2 divided by 21 is 10 1/2 hours
B.) How much did kristi earn that week?
( 3 1/2 x 3 ) x 9
10 1/2 + 10 1/2 + 10 1/2 + 10 1/2 +10 1/2 + 10 1/2 + 10 1/2 + 10 1/2 + 10 1/2 = 130 1/2
=130.50 per week.
10.) It takes 3/5 of a tank of gas to get to work and back each day.How much gas is used over 5 work days ? Show your thinking.
3/5 x 5/1 =15/5
=3/1
=3 tanks were used for 5 work days
11.) Owen is 2 1/4 times as old as robin.When robin celebrates his 8th birthday,how old will owen be ?
2 1/4 x 8 1/2 =
9/4 x 8/1 =
8/4 x 9/1 =
2/1 x 9/1 = 18/1
=18
Owen will be 18 when robin comes 8.
0 Responses to "Math Homework"
Post a Comment