SOLUTION: I have this question on my homework. It says ... During a recent infestation by beetles, two thirds of the ash trees in a local park were destroyed. If 120 trees were destroyed, ho
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Question 885388: I have this question on my homework. It says ... During a recent infestation by beetles, two thirds of the ash trees in a local park were destroyed. If 120 trees were destroyed, how many ash trees were originally in the park?
Will you walk me through the steps to solve this problem. Answer by brysca(112) (Show Source):
You can put this solution on YOUR website! Okay so the key phrase in the problem is "two thirds were destroyed." So if they're saying two thirds, how much is two thirds? 120 trees, as stated in the problem. So in order to find the original amount of ash trees, you need to find three thirds or otherwise 3 out of 3, which is your original amount of trees.
The answer is as follows
120*3=2x
2x=360
x=180
Originally, there were 180 trees.
