Question

Suppose SpaceX sent 27 rockets to the International Space Station in a year. If the ratio of Falcon rockets to Dragon rockets was 4:5, how many of the rockets sent were Dragon rockets?
Press enter to interact with the item, and press tab button or down arrow until reaching the Submit button once the item is selected
A13 rockets
B12 rockets
C15 rockets
D18 rockets

Answer 1

Answer:

15 Dragon Rockets

Step-by-step explanation:

let the common multiple be x.

Therefore, number of falcon rockets = 4x and that of dragon rockets = 5x.

4x + 5x = 27

9x = 27

x = 3

Therefore, number of Dragon Rockets = 5 × 3 = 15