Question

Carlos has 7 times as many red toy cars as blue toy cars. He has 56 total cars. How many more red cars does he have?

Answer 1

let x = blue cars

 so 7x = red cars

x +7x = 56

8x = 56

x = 56/8 =7 blue cars

7*7 =49 red cars

49-7 =42 more red cars