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2 years ago

6

there are 267 students and 21 adults going on a school trip. An equal number of people will ride on each bus. If there are 9 bus

es, how many people will ride on each bus?

2 answers:

alexdok [17]2 years ago

8 0

32 people will be on each bus

777dan777 [17]2 years ago

7 0

32 because add 267 and 21 and then divide 9

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One container is filled with mixture that is 25% acid. A second container is filled with a mixture that is 55% acid. The second

algol13

Answer:

Therefore the third container contains $\frac{735}{17}\%$ = 43.23 % acid.

Step-by-step explanation:

Given that, One container is filled with the mixture that 25% acid. 55% acid is contain by second container.

Let the volume of first container be x cubic unit.

Since the volume of second container is 55% larger than the first.

Then the volume of the second container is

$= (V\times \frac{100+55}{100})$ cubic unit.

$=\frac{155}{100}V$ cubic unit.

The amount of acid in first container is

$=V\times \frac{25}{100}$ cubic unit.

$=\frac{25}{100}V$ cubic unit.

The amount of acid in second container is

$=(\frac{155}{100}V \times \frac{55}{100})$ cubic unit.

$=\frac{8525}{10000}V$ cubic unit.

Total amount of acid $=(\frac{25}{100}V+\frac{8525}{10000}V)$ cubic unit.

$=(\frac{2500+8525}{10000}V)$ cubic unit.

$=(\frac{11025}{10000}V)$ cubic unit.

Total volume of mixture $=(V+\frac{155}{100}V)$ cubic unit.

$=\frac{100+155}{100}V$ cubic unit.

$=\frac{255}{100}V$ cubic unit.

The amount of acid in the mixture is

$=\frac{\textrm{The volume of acid}}{\textrm{The amount of mixture}}\times 100 \%$

$=\frac {\frac{11025}{10000}V}{\frac{255}{100}V}\times 100\%$

$=\frac{735}{17}\%$

Therefore the third container contains $\frac{735}{17}\%$ acid.

5 0

3 years ago

In MNO, MM=(6x+1), m N=(3x-10)., and mO=(x+19).. Find mN.

Alisiya [41]

Answer:

9x - 9

Step-by-step explanation:

6x + 3x = 9x. 1- 10 = -9

Combine the like terms

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2 years ago

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AnnyKZ [126]

Two decimals
8.4
5.7
Now add
Those two decimals to get 14.1
8.4
+5.7
14.1
Hope this helps you

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2 years ago

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Shawn’s box had a base area of 12 square inches. The volume of the box was 132 cubic inches.what is the height of the box

Harlamova29_29 [7]

About 37.7
square root of 12 = 3.5
132 divided by 3.5 = 37.7

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3 years ago

Jeff has $25. He spent $10.81, including tax, to buy a new DVD. He needs to set aside $19 to pay for his lunch next week. If pea

kykrilka [37]

Answer:

0

Step-by-step explanation:25-10.81=14.19

he doesn't have enough to set aside for his lunch.

How can he buy any peanuts? he is broke

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3 years ago