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edjiejwi
04.03.2020 •
Mathematics
What should be added to 6 7/15 to get 8 1/5?
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Ответ:
-6/7
Step-by-step explanation:
So the question basically is asking, 6x7/15+x=8/7 so find the value of X.
We multiply 7/15 by six because the question says 6 7/15 and we multiply 8 by 1/7 to get 8/7. Hope that was useful!
Ответ:
Perimeter=194 cm
Width=w
Length, L= 4w-3
Formula for perimeter of rectangle:
P=2(L+W)
Put values
194=2(4w-3+w)
194=2(5w-3)
Divide both sides by 2.
97=5w-3
Add 3 to both sides
100=5w
w=20
So length= 4 (20) -3 = 80-3 =77 cm
and width= 20 cm
Length=77 cm and width=20 cm