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3 years ago

Can someone explain to me how to do question number 6 please?

Mathematics

1 answer:

kirill115 [55]3 years ago

6 0

Do the crossing out method. so if it is 2.50 per pound for peaches, try A, 11 pounds. 2.50 times 11 is 27.5, and now we have the rest, 154 pounds as apples so we multiply it by 1.75 which is 269.5, we add them up and we dont get 337.50, so we try out b, 18 times 2.5 is 45 so we still have 147 pounds left for apples, multiply it by 1.75 which is 257.25 and if we add up 45 and 257.25 we dont get 337.5 so now we try c which is 65, multiply it by 2.5 its 162.5 and we have 100 pounds of apples left. we do the same and we get 175, 175 plus 162.5 is 337.5 so C/3 is the correct answer

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Carlotta collects stamps. She owns f stamps from France and 15 more than twice this amount of American stamps. Which expression

Digiron [165]

Answer:

D: 2f+15

Step-by-step explanation:

f is the number of stamps from France that Carlotta owns.

Twice this amount is 2f

Then, 15 more than twice this amount is 2f + 15, and this is the expression that represents the number of American stamps that Carlotta owns

7 0

3 years ago

Plz help me quickly I’ll give brainlist

Svetlanka [38]

Answer:

$5\frac{5}{6}$

Step-by-step explanation:

3 1/2 x 1 2/3 = 35/6

6 x 5 + 5 = 35/6

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2 years ago

If you take out a loan for $4,000 and you will owe $4,920 after 2 years, what is the rate of simple interest? Express your answe

11111nata11111 [884]

Answer:

11.5

Step-by-step explanation:

Simple interest formula:

$I=P\cdot r\cdot t,$

where

I = interest

P = principal

r = rate

t = time

In your case,

P = $4,000

I = $4,920 - $4,000 = $920

t = 2 years

So,

$920=4,000\cdot r\cdot 2\\ \\r=\dfrac{920}{2\cdot 4,000}=0.115$

The rate as decimal is 0.115 that is 11.5% as percent

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3 years ago

Suhana studies in a government school. The strength of the school is 12000, out of which 40% are girls. In her class there are 5

Dmitry_Shevchenko [17]

Q1: 60%
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2 years ago

A bicycle store installs about 400 tires per day. Tires are installed Monday through Friday for 8 hours per day. The owner of th

Papessa [141]

Answer:

A bicycle store installs about 400 tires per day. Tires are installed Monday through Friday for 8 hours per day. The owner of the store estimates the number of properly installed tires per week using the process below.

In the first hour of work on Monday, 49 out of 50 tires were properly installed.

So, there were about 8(49) = 392 properly installed tires on Monday.

Considering 5 working days per week, 5(392) = 1,960 is the number of tires properly installed in one week.

Which best explains the validity of the results?

The results are likely invalid because it is unlikely that the tires installed in one hour on Monday will represent the entire population of tires.

The results are likely invalid because the entire population during one week was not part of the sample.

<u>The results are likely valid because a large number of tires produced during the week were part of the sample. </u>

The results are likely valid because each tire sampled was part of the population of tires that week.

Step-by-step explanation:

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3 years ago