Question

In a parking lot of 240 red and blue cars, the ratio of red cars to blue cars is 3:5. How many red cars are in the parking lot?

Answer 1

90, because 3/8 of the cars are red

Explanation:

This is the answer on ttm.

Answer 2

Given:
240 red and blue cars
3:5 ratio of red cars to blue cars

3 + 5 = 8

red cars: 3/8 * 240 = 90
blue cars: 5/8 * 240 = 150

ratio of red cars to blue cars: 90:150

simplify:
90 ÷ 30 = 3
150 ÷ 30 = 5

Thus: 90:150 = 3:5