Question

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Part 1
Ellen is filling the pool shown in the figure for her little brother. She can carry 1 and three eighths
gallons of water each trip. Write and solve an equation to find how many trips she needs to make.
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Part 1
Let t represent the number of trips. Write and solve an equation for t. Select the correct choice below and fill in the answer box to complete your choice.
​(Type a whole​ number, fraction, or mixed​ number.)
A.
15 and one half
tequals1 and three eighths
​; tequals
  
enter your response hereModifyingAbove ModifyingBelow With width
B.
1 and three eighths
tequals15 and one half
​; tequals
  
enter your response hereModifyingAbove ModifyingBelow With width
C.
tdivided by15 and one half
equals1 and three eighths
​; tequals
  
enter your response hereModifyingAbove ModifyingBelow With width
D.
1 and three eighths
divided by15 and one half
equalst​; tequals
  
enter your response hereModifyingAbove ModifyingBelow With width

Answer 1

Choose A.

Equation: (1 3/8)·t = 15 1/2.

Solve: t = (15 1/2) ÷ (1 3/8) = (31/2) ÷ (11/8) = (31/2)·(8/11) = 124/11 = 11 3/11.

Since she cannot make a fractional trip, Ellen needs 12 trips.