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. The cost for 10 people equals $ ___. (Input whole number only.)

Answer 1

100=4(10)
doesnt that mean its 140$

Answer 2

Given:

Cost of renting bowling alley = $ 100

Additional cost of renting bowling alley per person = $ 4

⇒ Total Cost for n no. of people = 100 + 4 × n

So, Cost for 10 people = Fix $100 for bowling alley

+ $4 for each 10 people

= 100 + 4 × 10

= 100 + 40

= 140

Therefore, The cost for 10 people equals to $ 140.