Question

(a) 34 is 85% of what number? (b) What is 15% of 80?

Answer 1

Answer:

A. 40.          B.12

Step-by-step explanation:

40/34=.85

80*.15=12

Answer 2

Answer:

Part A: 40
Part B: 12

Step-by-step explanation:

Given the following question:

Part A:
34 is 85% of what number?
$\frac{85\times40}{100} =85\times40=3400\div100=34$
85% of 40 is 34.

Part B:
15% of 80
$\frac{15\times80}{100} =15\times80=1200\div100=12$
15% of 80 is 12.

Hope this helps.