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tia_tia [17]
2 years ago
6

HELPP!!

Mathematics
1 answer:
s344n2d4d5 [400]2 years ago
6 0

Answer:

2 km

Step-by-step explanation:

basically do the inverse:

3×4(instead of divide)=12

12-8=4

it says jose ran 2× as many km as karen so you divide 4 by 2 giving you 2

sorry if its incorrect

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Krystal can wax a floor in 16 minutes. Perry helped her and it took 5.76 minutes. How long would it take perry to do it alone?
finlep [7]
<span>Krystal's rate = 1 floor in 16 min. = 1/16 floors per min.

Working together their rate = 1 floor in 5.76 min. = 1/5.76 floors per min.

We need to determine Perry's rate, so we need to equate their combined rate with the sum of the individual rates.

Let Perry's time = x

In equation form, we can write:
1/16 + 1/x = 1/5.76
Solve for x:

(x+16)/16x = 1/5.76 -> 5.76(x+16) = 16x -> 10.24x = 92.16 -> x = 9

So, Perry would take 9 mins. to do the floor alone.

I hope this helped!
Please Rate & Thank!
Please mark as Brainliest!

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8 0
3 years ago
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V125BC [204]

Answer: B. 14

Step-by-step explanation:

because 140 divided by 10 equals 14

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<h2><em><u>Answer:</u></em></h2><h2><em><u>Sorry i didn't understand the question but thank you for the points </u></em></h2><h2><em><u>Step-by-step explanation:</u></em></h2>

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3 years ago
Two numbers are in the ratio of 3 to 4. If the minor is 27, find the sum of both.
german

Answer:

Step-by-step explanation:

First we must find the missing number, for that we apply a simple rule of three:

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