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Rasek [7]
3 years ago
15

Subtract. 7 1/5 − (−3/5)

Mathematics
2 answers:
mojhsa [17]3 years ago
5 0

This would just be 7 1/5 + 3/5 since the negative sign gets distributed and makes (-3/5) into a positive number.

From there you have basic math and you get 7 4/5.

Dennis_Churaev [7]3 years ago
3 0

7 1/5 - (-3/5) = 7 4/5

Hope this helps you

-AaronWiseIsBae

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Malia works at a movie theater and is paid hourly. One month, she earned $388.80. The total amount she earns can be found using
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Step-by-step explanation:

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3 years ago
the average mark of three pupils are 68. what is the ratio of 5:4:3. how many marks did the best student get? HELP ME! ​
noname [10]

Answer:

85, 68, 51

Step-by-step explanation:

Average: The sum of all the numbers divided by the number of numbers

If the ratio of the scores is 5 : 4 : 3, let's just set it as 5x : 4x : 3x

Then using the definition of an average, we can write this equation.

(5x + 4x + 3x) / 3 = 68

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5x + 4x + 3x = 68 * 3

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Just in case, let's check this answer. Find the average of the 3 test scores.

(85 + 68 + 51) / 3 =

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Thus, the answers are correct

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