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. the cost for 20 people equals $ (input whole number only.)

The cost for 20 people equals $180.

Step-by-step explanation:

Given: 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

We can find the cost for 20 people by substituting n=20 in the above expression, we get

Hence,  The cost for 20 people equals $180.

to rewrite a literal equation you may need to divide by a number, or by a variable.

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