Please help me before I freak out, this is already late and I need the linear equation.

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Ответ:

leeshaaa17

28.05.2021

Mathematics

Percentage increase in consumption of apples by the family = 11.11%

Step-by-step explanation:

Let us assume that a family spends $100 on number of apples at the start.

Price of apples goes down by 10% which means apples would now cost $90.

For $90 the family can buy = apples

So for $1 the family can buy = $\frac{x}{90}$ apples

So for $100 the family can buy = $\frac{x}{90}\times100 =\frac{100x}{90}=\frac{10x}{9}$ apples

Increase in consumption =New consumption-Previous consumption= $\frac{10x}{9}-x$

Taking LCD.

$\frac{10x}{9}-\frac{9x}{9}=\frac{x}{9}$ apples is the increase in consumption

Percentage increase in consumption= $\frac{\ Increase\ in\ consumption}{Previous\ consumption}\times 100$

= $(\frac{x}{9}\div x)\times 100\\$ $=(\frac{x}{9}\times\frac{1}{x})\times 100\\$ $=\frac{1}{9}\times 100\\$

=11.11 %

Percentage increase in consumption of apples by the family = 11.11%

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