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Verdich [7]
4 years ago
11

A particular shade of paint is made by mixing 5 parts red paint with 7 parts blue paint. To make this shade, Shannon mixed 12 qu

arts of blue paint with 8
quarts of red paint.Did Shannon mix the correct shade? explain.
Mathematics
1 answer:
Sliva [168]4 years ago
7 0
You need to set up a fraction. You can use red/blue which would be 5/7. Then, create the second ratio which would be 8/12. And there you will find your answer, which this answer also works for your answering wether you get yes or no.
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40 POINTS!!! PLEASE HELP!!!!
vovangra [49]

Answer: They can complete the job in 1.43 hours.

Step-by-step explanation:

Let's define:

"moving a three-bedroom" as "one job"

We know that Kevin can complete one job in 5 hours, then he works at the rate:

K = (1 job)/(5 hours) = (1/5) job per hour.

Now if Q is the rate at which Quinton works and T is the rate at which Trey works, their combined rate is (Q + T), and they can complete the job in 2 hours, then:

(Q + T) = (1 job)/(2 hours) = (1/2) job per hour.

When Kevin, Quinton, and Trey wor togheter, the combined rate is:

(K + Q + T)

And we know that:

(Q + T)  = (1/2) job per hour.

K =  (1/5) job per hour.

If we replace these in the above sum we get:

(K + Q + T) =  (1/5) job per hour + (1/2) job per hour

                 = (1/5 + 1/2) job per hour

                 = (2/10 + 5/10) job per hour

                 = (7/10) job per hour.

Then they need to work for T hours in order to complete 1 job, we have the equation:

[ (7/10) job/hour]*T = 1 job

T = ( 1 job)/(7/10) job/hour = 10/7 hours = 1.43 hours.

they can complete the job in 1.43 hours.

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vovikov84 [41]

The answer should be:

x = 5

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Answer:

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Step-by-step explanation:

fgh

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