A state park charges an entrance fee plus $15 for each night of camping. The table shows this relationship. Which algebraic expression describes the total cost for camping n nights?
The algebraic expression that describes the total cost for camping n nights is: 15n + entrance fee
While on vacation, you rent a scooter. You pay $7.50 for each hour you use it. It costs $3 to rent a helmet. Write an algebraic expression that describes the total cost in terms of hours, x, that you rent the scooter.
The algebraic expression that describes the total cost in terms of hours that you rent the scooter is:
7.50x + 3
Simplify the expression.
12(x+4)
To simplify the expression 12(x + 4), we can distribute the 12:
12(x + 4) = 12 * x + 12 * 4
This simplifies to:
12x + 48
Simplify the expression.
-2(2x-5)
To simplify the expression -2(2x - 5), we can distribute the -2:
-2(2x - 5) = -2 * 2x + (-2) * (-5)
This simplifies to:
-4x + 10
Simplify the expression.
1/2(6x+10)
To simplify the expression 1/2(6x + 10), we can distribute the 1/2:
1/2(6x + 10) = 1/2 * 6x + 1/2 * 10
This simplifies to:
3x + 5
Simplify the expression.
3(8-5x)+2x