Question

If 38% of a number, n, is 24.32, what is 20% of n? А 1.84 B 4.86 C 7 60D 12,80

Answer 1

12.8

Step-by-step explanation:

38% of n = 0.38 × n

= 0.38n

38% of n = 24.32

0.38n = 24.32

divide both sides by n:

0.38n/0.38 = 24.32/0.38

n = 64

20% 0f n = 20% of 64

= 0.20 × 64

= 12.8