Answer:
300
Step-by-step explanation:
Let x be the initial number. Initially, this number was 100%.
After an increase of 40%, it became 420 and 100% + 40% = 140% in percent.
So,
x - 100%
420 - 140%
Write a proportion:
Cross multiply:
Answer:
84
Step-by-step explanation:
Answer:
height
Step-by-step explanation:
the volume (V) of a cylinder is calculated using the formula
V = πr²h
where r is the radius and h the height
given the radius then the height is the required measurement needed
The answer is A I don’t this before