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3 years ago

Sorry really bad with fractions!! Help

Mathematics

2 answers:

earnstyle [38]3 years ago

3 0

X/4 + 1 = -6
x/4 = -6 -1
x/4 = -7
x= -28

nalin [4]3 years ago

3 0

$\frac{x}{4}$ + 1 = -6
( $\frac{x}{4}$ + 1) X 4 = -6 X 4
x + 4 = -24
(x + 4) - 4 = -24 - 4
x = -28

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Sonbull [250]

Answer:

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Step-by-step explanation:

Given:

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Finding the usual amount Josh gave as Tip To his sever:

Usually josh tips 20% to all servers

So Tip = 20% of his subtotal

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=> $0.2 \times 21$

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So Josh usually tips $4.2 to his server

Finding the amount Josh gave 25% as Tip To his sever:

But now he tips 25% which is

=> 25% of 21

=> $\frac{25}{100} \times 21$

=> $0.25 \times 21$

=> 5.25

Thus the tip amount will be $5.25

So he will be giving (5.25 - 4.2) = $1.05 more than the usual tip

Finding the total bill

The total bill = subtotal+ 7.5% sales tax + 25% tip

=> 21 + 7.5 % of 21 + 25% of 21

=> $21 + \frac{75}{100} \times 21 + \frac{25}{100} \times 21$

=> $21 +0.075 \times 21 + 0.25 \times 21$

=> 21 +1.575 +5.25

=>27.825

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