Which equation could be used to solve the problem?
Sarah spent $160 on lunch in 10 weeks.
If she spent the same amount every week, how much did she spend on lunch each week (w)?
A.
w = 160 – 10
B.
w = 160 ÷ 10
C.
w = 10 ÷ 160
D.
w = 10 • 160
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OpenStudy (anonymous):
@ganeshie8
OpenStudy (anonymous):
D. right?
ganeshie8 (ganeshie8):
for 10 weeks, she spent $160
OpenStudy (anonymous):
no B
ganeshie8 (ganeshie8):
So, for 1 week, how much it wud be ?
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ganeshie8 (ganeshie8):
B is right !
OpenStudy (anonymous):
A water tank is leaking at a rate of 6 gallons per hour.
At that rate, how many gallons of water will leak in 3 hours?
A.
2 gallons
B.
3 gallons
C.
9 gallons
D.
18 gallons
ganeshie8 (ganeshie8):
wat do u think
OpenStudy (anonymous):
C
ganeshie8 (ganeshie8):
think again
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ganeshie8 (ganeshie8):
6 gallons every hour
ganeshie8 (ganeshie8):
that means how many gallons in 3 hours ?
OpenStudy (anonymous):
D 6*3
ganeshie8 (ganeshie8):
Yep !
OpenStudy (anonymous):
Find both unit rates.
250 miles on 8 gallons of fuel.
A.
31.25 miles per gallon and 0.032 gallons per mile
B.
0.032 miles per gallon and 31.25 gallons per mile
C.
32 miles per gallon and 0.3125 gallons per mile
D.
250 miles per gallon and 8 gallons per mile
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