7th Grade Math : Algebra

Study concepts, example questions & explanations for 7th Grade Math

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Example Questions

Example Question #1 : Algebra

Billy makes  a week in allowance plus  for each lawn that he mows. This week Billy wants to make over . Select the inequality for the number of lawns he needs to mow.


Possible Answers:

Correct answer:


We know that Billy needs to make more than  between his allowance and the lawns that he mows. This means our inequality should include 

Also, since Billy will make  per lawn, that means we need to multiply  by the number of lawns he needs to mow, :

So far we have the following:

Next, we know that he makes  each week, on top of what he makes mowing each law.

This means we need to add the  to the 

When we put all of these pieces together, we will get the following inequality:

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