Question

There are 9 oak trees in a park. The oak trees make up 45% of all the trees in the park. How many trees are in the park?

Answer 1

20

Explanation:

Steps to solve "9 is 45 percent of what number?"

We have, 45% × x = 9

or,

45

100

× x = 9

Multiplying both sides by 100 and dividing both sides by 45,

we have x = 9 ×

100

45

x = 20

If you are using a calculator, simply enter 9×100÷45, which will give you the answer.

Answer 2

(9/45)*100 = 20 trees

Explanation: