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kotegsom [21]
3 years ago
6

When a number is decreased by 4.5%, the result is 90. What is the original number to

Mathematics
1 answer:
Contact [7]3 years ago
3 0

Answer:

x = 94.2

Step-by-step explanation:

Let x represent the number

x - 4.5%x = 90

x - 4.5/100x = 90

x - 0.045x = 90

0.955x = 90

Divide both sides by 0.955(the coefficient of )

x = 90/0.955

x = 94.2

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3<br> 5<br> y = mx + c<br> Find the value of y when m= -2, r = -7 and c= -3.
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<u>This assume the equation is 35y = mx + c, and that r is meant to be x.</u>

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Please check the formatting of your question.

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