I think it will take Elizabeth 17 minutes.
Answer: 40/7, if you need, the mixed fraction is 5 5/7
Step-by-step explanation:
First of all, convert all the mixed fraction into improper fraction.
2 2/3=8/3
2 1/7=15/7
Then do the multiplication.
8/3 × 15/7=120/21=40/7 (You can directly simplify it to 40/7 since you can use 15 divided by 3 to get 5 left in the numerator)
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Kayla's dog weights more because 9 is a bigger number than 3. So if you subtract 9 - 3 you get 6. So Kayla's dog weights 6 more pound than Camilla's cat.
If Nate paints the wall in 4 hours, it means that he can paint 1/4 of the wall every hour.
Similarly, if Jill paints the wall in 7 hours, it means that he can paint 1/7 of the wall in one hour.
So, together, they paint the following fraction of the wall in one hour:
.
At this rate, they need 28/11 hours to paint the whole wall, in fact, after that amount of time they paint
i.e. the whole wall
Answer:
Step-by-step explanation:
4a + 2b = 10
-4a - 4a
_____________
2b = -4a + 10
__ ________
2 2
b = -2a + 5 >> CORRECT ANSWER
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