Fractions need common denominator to add or subtract them because without denominators a fraction is not a fraction, it is a whole number
Example - 2/8 is a fraction
but 2 is not a fraction
Answer:
Step-by-step explanation:
Given
Thickness of oil slick=0.07 foot
radius of slick=110 ft

Let V be the volume of oil slick
so, 
rate of oil flowing is


Answer:
No solution is possible from the provided information
Step-by-step explanation:
Answer:
4
Step-by-step explanation:
use your fingers and count 2 fingers then put 2 more up and count how many u got then. boom u got 4