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Joe make $50 per day and $5 as commission for every shirt he sell in a day. His daily pay goal is $150. How many shirts must he sell to reach his goal?

Sagot :

Lets set up an equation for this question.

We know that he makes $50 per day no matter what, this is our constant. He also makes $5 per shirt, this is what will be multiplied by out X.

So, Y = 5x + 50

This states that every day, Y, Joe will make $5 per shirt + $50 for just working.

Now, we know that his goal is $150, which is how much he wants to make every day. We can replace this for the Y in our equation, which now means we have:

150 = 5x + 50

So lets try and get x by itself, we do this by removing all numbers that are not X from the right side.

150 - 50 = 5x + 50 - 50

Remember, what we do to one side we must do to both sides.

100 / 5 = 5x / 5

20 = x

This means that Joe needs to sell 20 shirts per day to reach his goal of $150.

I hope I've helped! :)