Question

Two weeks ago, Star bought 3 cans of tennis balls. Last week, she bought 4 cans of tennis balls. This week, she brought 2 cans of tennis balls. The tennis balls cost d dollars per can. Write an expression in simplest form that represents the total amount that star spent.

Answer 1

For this case we have to:

d: Represents the cost in dollars for each can of tennis

Then we have according to the data that:

`3d + 4d + 2d`

The above expression represents the total cost of the tennis cans that Star bought.

We simplify, adding the similar terms of the expression:

`9d`

ANswer:

`9d`