Answer:
Z=2
Step-by-step explanation:
Z8=16
Z=16/8
Z=2
Step-by-step explanation:

Answer:
3
Step-by-step explanation:
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