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?
2 answers:
Answer:
20
Step-by-step 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:
(9/45)*100 = 20 trees
Step-by-step explanation:
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