Question 1113533
rate * time = distance
:
4.5(3) +3x = 18
:
divide both sides of = by 3
:
4.5 +x = 6
:
x = 1.5
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Brenda walks at 1.5 km/hour
:
check the answer
:
4.5(3) +1.5(3) = 18
:
13.5 +4.5 = 18
:
18 = 18
:
answer checks
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