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zvonat [6]
1 year ago
14

Somebody help please

Mathematics
2 answers:
scZoUnD [109]1 year ago
4 0

Answer:

Emily raised $37.5 and justin raised $57.5

Mazyrski [523]1 year ago
3 0

Answer:

Emily raised $37.50

Justin raised $57.50

Step-by-step explanation:

<u>(Step 1)</u>

Say "x" equals the amount of money Emily made and "y" equals the amount of money Justin made. You can set up an equation with both of these variables because we know that they made a combined $95.

x = Emily's earnings

y = Justin's earnings

Emily + Justin = 95

x + y = 95

<u>(Step 2)</u>

The fact that there are two variables makes it difficult to find how much each person made individually. However, we can eliminate the "y" variable when we remember that Justin made $20 more than Emily. Now, we can substitute "x + 20" in for "y".

x + 20 = y

x + y = 95

x + (x + 20) = 95

<u>(Step 3)</u>  

Finally, we can solve for the "x" variable.

x + (x + 20) = 95

2x + 20 = 95                                <------ Combine like terms

2x = 75                                         <------ Subtract 20 from both sides

x = 37.5                                        <------- Divide both sides by 2

<u>(Step 4)</u>

Since we know the value of "x", we can plug it into one of the equations to find the value of "y".

x + 20 = y

37.5 + 20 = y

y = 57.5

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