Question

Find the unknown quantity in each case.
(a) 30% of a is 18.​

Answer 1

Answer:

Step-by-step explanation:

30% = $\frac{30}{100}$

$\frac{30}{100}$ x a = 18

a = 18 x $\frac{100}{30}$

a = 60

Therefore 30% of 60 is 18