
Yen-chieh H. answered 01/05/20
Experienced Software Engineer at Twitter, Ivy League Grad
First you need to convert 9 meters into centimeters, which is 900 centimeters since 100 centimeters = 1 meter.
Gary can jump 40 centimeters (4 * 10).
Now, do 900 / 40, which is 22.5. However, because you can't do a half a jump, the answer is 23.