Question

8. Density is defined as mass per unit volume, or D = m/v . Solve the density equation for the variable v:
A. v = D + m
B. v = m/D
C. v = D/m
D. v = D • m

Answer 1

B

Answer 2

cross multiplication

Answer 3

well u take the amt of water as x and alcohol as 35-x
(x/35-x)=4/1
so x = 28 L