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20-01-2018
Mathematics

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The sales of new cars at a dealership increased by 7% this year to 382. Find the number of sales the previous year. Round your answer to the nearest integer.

Please explain your answer. Thank you.

Respuesta :

20-01-2018

If "x" is the number of car sales last year, then (x + 0.07x) is this years sales.
x + 0.07x = 382
1.07x = 382
x = 382/1.07
x = 357

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