Question

se o de R$ 700,00 sofresse um acréscimo de 120%,qual seria o novo preço?
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Answer 1

R$700,00 --- 100%

R$X --- 100% + 120%

700 --- 100

X --- 220

100x = 700·220

100x = 154000

X = 154000/100

X = 1540 reais