You need at least $40 to buy some notebooks, but your parents don’t want to give you more than $50. Write an inequality representing the possible amount of money you could get.

m = amount of money you receive

You need at least $40, so that means you need m = 40 or more

So which is the same as saying . You flip both sides and also flip the inequality sign as well.

At the same time, your parents won't give you more than $50. So the largest m can get is m = 50. This means

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Combine and to get the compound inequality

This represents all the possible values of m. We see that m can get as small as m = 40, or as large as m = 50, or anything in between.

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step-by-step explanation: