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Natasha_Volkova [10]
3 years ago
10

She completed 60 math problems. That was only 15% of what she had to do. How many math problems did she have to do

Mathematics
2 answers:
pav-90 [236]3 years ago
4 0

Answer:

400

Step-by-step explanation:

use proportions

(60/x) * (15/100)

cross multiply

6000=15x

divide both sides by 15

400=x

almond37 [142]3 years ago
3 0

First, turn the percentage into a decimal.

15% = 0.15

Second, divide.

60 / 0.15 = 400

Thus, she has to 400 questions total.

Best of Luck!

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Hey therapy was conducted to see how many people ride a bus to school every day. 160 people reported that they ride the bus to s
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Answer:

200 people

Step-by-step explanation:

Let: the number of people who surveyed be: x

Therefore, (160/x) x 100=80%

=> x=(160x100)/80

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Thus, 200 people surveyed.

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4 0
3 years ago
Dan earns £9.80 per hour. How much will he earn for 8 hours work?
jok3333 [9.3K]

Answer:

78.40

Step-by-step explanation:

Take 9.80 and times it by 8 to get 78.40

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Write the ratio as a fraction in simplest form. The ratio for 18 girls to 27 boys as a fraction is .
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Answer:

2/3

Step-by-step explanation:

Reduce the fraction 18/27 into its lowest terms

since both 18 and 27 are divisible by 9, divide both terms by 9

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6 0
3 years ago
Multiple Response: Please select all correct answers and click "submit." Which of the following are among the five basic postula
Kazeer [188]

To Euclid, a postulate is something that is so obvious it may be accepted without proof.

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That's not Euclid, that's just goofy.

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That's Euclid's first postulate.

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That's Euclid's second postulate.

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3 years ago
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Estimated Reading Time: 4 mins

4 0
2 years ago
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