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vladimir2022 [97]
3 years ago
9

O preço do diesel sofreu três alterações ao longo do último trimestre de 2017. A primeira alteração foi em outubro, cujo aumento

foi de 10% no preço inicial do produto. Em novembro, houve um novo aumento, agora de 20%. Em dezembro, em função das datas festivas, 12% de aumento sobre o preço final de novembro. A variação do preço da diesel acumulada no último trimestre do ano em relação ao seu preço inicial foi de:
Mathematics
1 answer:
EleoNora [17]3 years ago
5 0

Answer:

47.84%

Step-by-step explanation:

The easiest method to solve this exercise is to assume that the starting diesel price is 100 reais.

Now we will calculate each increase with our assumption:

1. Initial price plus 10% increase, therefore:

100 + 100 * 0.1 = 110 reais

2. Additional 20% increase in relation to 110 reais:

110 + 110 * 0.2 = 132 reais

3. Additional 12% increase in relation to 132 reais:

132 + 132 * 0.12 = 147.84 reais.

What it means is that the price would be 147.84 reais.

Since our assumption is 100, we can know that there was an increase of almost 47.84% in relation to the initial price that we assumed at the beginning.

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