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carlohillyard4633
30.06.2019 •
Mathematics
Aroom's floor has a width tht is 5 meters shorter than its length. if the perimeter of the floor is 4y+1 meters, can u solve for its length? explain y and show ur work.
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Ответ:
No, we cannot find for its length as we can see that variables got cancelled so, we are not able to find any value for 'y'.
Step-by-step explanation:
Since we have given that
Let length of room's floor be y
Let width of a room's floor be y-5
Perimeter of room's floor be 4y+1
As we know the formula for " Perimeter of rectangle ":
No, we cannot find for its length as we can see that variables got cancelled so, we are not able to find any value for 'y'.
Ответ:
cross multiply because this is a proportion
(4)(x) = (1)(2)
4x = 2
x = 2/4 reduces to 1/2...so she can walk 2 miles in 1/2 hr (or 30 minutes)