Question

Write and solve a proportion to answer the question.

What number a is 25% of 78?

=25100
Question 2
a=

Answer 1

19.5 :)

Explanation:

Answer 2

`a = 25\% \: of \: 78 \\ a = (25)/(100) * 78 \\ a = (1)/(4) * 78 \\ \boxed{a = 19.5}`

a=19.5 is the right answer.