15 50
---- = ----
x 60
(15*60)/50
900/50
18
It takes the ostrich 18 minutes to run 15 miles.
Answer:

Step-by-step explanation:
Given



Required
Determine the total miles


Convert to improper fractions

Take LCM



Answer:
Step-by-step explanation:

Step-by-step explanation:
she took the 2X and substract 4X-2X
the answer will be 2X=402