(Once again I am doing this question because no one answered it last time. thanks)

1 answer:

5 0

This question, because it is worded strangely, is asking for her salary before taxes. We can figure this out because we are given an expression, "(9/10)s", which represents what we want to find.

The equation would be either:
(9/10)s = 486
or
0.9s = 486

To solve, you would divide 486 by 0.9, which gives you $540.

I hope this helps!

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Find the area of the composite figure. I need a quick answer on pleas

Maru [420]

Answer:

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1/2 - 5/13 = 3/26 = 0.115

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4 years ago

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Simplify this expression. 20.25 – 9 + 11 о 1 4 0 18.75 0 21? 0 40.75

Greeley [361]

Answer:

$21\frac{3}{4}$

Step-by-step explanation:

Step 1: Add the numbers.

20.25 can also be expressed as $20\frac{1}{4}$ , because $\frac{2025}{100}$ = $\frac{81}{4}$ = $20\frac{1}{4}$ . So if we add $20\frac{1}{4}$ and 11, we would get $31\frac{1}{4}$

Step 2: Solve

$31\frac{1}{4} -9\frac{1}{2}$

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$31-9=21$

Combine the fractions

This means addition. Also, since our denominators are not the same value, we have to find the LCM (Least Common Denominator): What do 2 and 4 have in common that they can divide themselves by? 4. We know this because 2 divided by 4 is 2, and 4 divided by 4 is 1, so they can both divide themselves by 4.

$\frac{5}{4}-\frac{1}{2}$