Question

beth and her brother went to the arcade. it cost 75 cents to play 3 games. they played 21 games in all. how much money did they spend?

Answer 1

$5.25

Explanation:

if it cost 75 cents to play 3 games, that means it cost 25 cents per game. Multiply 21 games by 25 cents per game and you get 525, or $5.25.

Answer 2

it cost beth and her brother 147 coins. 3/21=7; 7x75=147