Question

It costs $100 to rent the bowling alley, plus $4 per person. The cost for any number (n) of people can be found using the expression 100 + 4n. What is the cost for 15 people? Use the dollar sign. *units are very important!

Answer 1

$160

Explanation:

Step one:

It costs $100 to rent the bowling alley

plus $4 per person

the expression for the cost is

`C=100 + 4n`

where n is the number of people

for n= 15

Step two:

let us substitute

`C= 100+4(15)\\\\C= 100+60\\\\C= 160`