Answer:
20%
Step-by-step explanation:
3 out of 15 is the same as 3/15 = 1/5. 1/5 is the same as 20%
(B)
Explanation:
4 quarts are in a gallon so one gallon equals 4(1). The one represents the amount of gallons so if there are x gallons it would become 4(x)
Square root 80 = 4 x square root 5
because root 80 = root 16 x root 5