The possible situation in first expression could be shopping , in second expression could be situation of a class going to a trip, in third expression could be situation of selling at a fair.
Given three expressions be 9.95+0.75*3, 15*6-5*6 and 59*5-25*5-30.
We are required to describe a situation that could be represented by each expressions that are given in the question.
a) The situation in first expression could be as under:
We go for shopping and buy a hairbrush for $9.95 and three packs of hair ties that cost $0.75 each. The total amount we could spend be 9.95+0.75*3.
b) The situation in second expression could be as under:
There are 6 classes which have 15 students each registered for a field trip. 5 students from each class are sick so they will not be going. Then the total number of students going on the field trip is 15*6-5*6.
c) We are selling 5 items for $59 each at a fair. It cost us $25 per item to make the items and we also had to pay a $30 booth fee to sell at the fair. The cost of the items is 25*5 and the profit is 59*5-25*5-30.
Hence the possible situation in first expression could be shopping , in second expression could be situation of a class going to a trip, in third expression could be situation of selling at a fair.
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