Need help, it's interest rate!
2 answers:
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we have , 70% x x= 84
or , x x= 84
multiplying both sides by 100 and dividing both sides by 70,
we have x = 84 x
x= 120
if you are using a calculator ,simply enter 84x x 100 divide 70 , which will give you the answer .
<em>refer to the attachment</em>
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