20 points!
I need help!
I will also be doing a 50 point giveaway later!

3. 156 / 0.2 = $780

4. 9.75 / 0.25 = $39

Step-by-step explanation:

I hope this helped :)

Step by step explanation

Question number 3 : Twenty percent of Mrs.Reynold's monthly earnings is budgeted for food. If $ 156.00 goes for food , what are her total monthly earnings ?

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Now , According to question , Set up an equation and solve for x :

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Question number 4 : Marie bought a skirt on sale of 25% off . If she saved $ 9.75 , what was the original price of the skirt ?

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Set up an equation and solve for x :

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And we're done !

Hope I helped ! ツ

Have a wonderful day / night !♡

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let x and 400 - x be the two numbers.  

==> 0.80x + 0.85(400 - x) = 400 - 68 from the statement of the problem.  

< ==> 0.80x + 0.85(400 - x) = 400 - 68  

==> 340 - 0.05x = 332  

< ==> -0.05x = -8 ==> x = 160, the first number ==> 400 - x = 240, the second number.

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