Answer:
21 Feet
Step-by-step explanation:
7 yards is equal to 21 feet
5.5x+180=455
5.5x=275
The answer is X=50
Answer:
E
Step-by-step explanation:
19) Amount of oil in = amount of oil in final product
.025(x) + .09(40-x) = .055(40) (x = 2.5% amt 40 - x = 9% amt)
x = 21.54 L of 2.5 % then 9% = 18.46 L