So the initial renting fee for you and your friend is $16(8 bucks a piece). Each hour you and your friend will be paying $7 (that's 1.75 for each HALF hour for each of you).
It takes two steps to solve an equation or inequality that has more than one operation:
1- Simplify using the inverse of addition or subtraction.
2- Simplify further by using the inverse of multiplication or division.
i'm sorry but can you put in more details as to what each item costs, if it is just variables then it should be something like b times the amount bought plus c times the amount bought. without the costs i cannot actually give you how much she spent
The place value of 7 in 0.724 is the tenth place.
