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aev [14]
3 years ago
6

75% of what equals 30

Mathematics
2 answers:
poizon [28]3 years ago
7 0

Answer:

30 is 75% of 40

Step-by-step explanation:

We have, 75% × x = 30 or, 75/100 x = 30. Multiplying both sides by 100 and dividing both sides by 75,  x = 40.

And if you are using a calculator, simply enter 30×100÷75, which will give you the answer.

Verizon [17]3 years ago
4 0

Hey there!

75% of ? = 30

75% of x = 30

75/100 * x = 30

75 ÷ 25 / 100 ÷ 25 * x = 30

3/4 * x = 30

MULTIPLY 4/3 to BOTH SIDES

4/3 * 3/4x = 4/3 * 30

CANCEL out: 4/3 * 3/4 because that gives you 1

KEEP: 4/3 * 30 because it helps solve for your answer

x = 4/3 * 30

SIMPLIFY IT

x = 40

Therefore, 75% of [40] = 30

Answer: 40

Good luck on your assignment and enjoy your day!

~Amphitrite1040:)

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These quotients are different because of what division means.

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kristy asks lonnie to think of a number, add 3 to it, multiply the sum by 2 and then subtract 6 . let n stand for lonnies starti
geniusboy [140]

The expression that represents Lonnie's final number is 2(x + 3) - 6

<h3>Writing an expression</h3>

From the given information, we are to write the expression that represents Lonnie's final number

From the given information,

"<em>kristy asks lonnie to think of a number, add 3 to it</em>"

Let the number be x

Then,

The statement becomes

x + 3

<em>"multiply the sum by 2</em>" we get

2×(x +3)

= 2(x + 3)

"<em> subtract 6</em>",

The expression becomes

2(x + 3) - 6

This is the expression that represents Lonnie's final number

Hence, the expression that represents Lonnie's final number is 2(x + 3) - 6

Learn more on Writing an expression here: brainly.com/question/12166019

#SPJ1

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