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Question

Your aunt drives a truck for a soda company. Her truck weighs 36,750 pounds when it has 250 cases in it. Each case of soda weighs 19 pounds. Which equation can be used for determining the weight of the truck depending on the number of cases it carries?

Answer 1

w represents the weight of the truck

w + 250(19) = 36750

w = 36750 - 250(19)

c represents number of cases

w = 36750 - 250(19) + c(19)

w = 36750 + 19c - 19(250)

w = 36750 +19(c - 250)

Answer 2

First you need to determine how much the empty truck weighs. (Empty truck=Total truck weight - (pounds per case * number of cases)).  Next, you want to add the empty truck weight to a number of cases times pounds per case. (Total truck weight=empty truck weight+(pounds per case * number of cases).