There are a total of 63 bikes. If the ratio of blue bikes to black bikes is 4 to 5, how many of the bikes are blue?

Question

asked Mar 2, 2018 206k views

1 Answer

Zachary Kniebel · Answer 1 · 2018-03-07T17:24:38+0000

4:5 (blue to black), 63 in total

9 represents the total as 4 + 5 = 9

4/9 are blue

5/9 are black

4/9 = 28/63

28 of the 63 bikes are blue.