Question

Michelle counted 40 green cars and 20 silver cars in the parking lot. If

the number of green cars stays the same, how many more silver cars
would need to be added so the ratio of green cars to silver cars is 1 to 3?

Answer 1

100 more silver cars

Explanation:

Right now the ratio of silver cars to green cars is 20:40 or 1:2, but if you add a hundred more silvers cars the ratio would 120:40 or 3:1.