Question

40% of what number is 78?

A) 195
B) None of the above
C) 109.2
D) 197
E) 31.2

Answer 1

195

Explanation:

Of means multiply and is means equals

40% * number = 78

Change to decimal form

.40 * number = 78

divide each side by .40

.40 number/ .40 = 78/ .40

number =195