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Phantasy [73]
3 years ago
14

somebody read 50 pages of a book in 50 minutes she reads at a constant rate how many pages did she read per minute

Mathematics
1 answer:
miv72 [106K]3 years ago
4 0
If she reads 50 pages of a book in 50 minutes, just divide 50 by 50.

50 / 50 = 1    She reads one page of a book a minute.
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Solve the equation 4*e+2=1 (mod5)
otez555 [7]

Here's a way to do it.

Let 4e +2 = 5n +1 . . . . . . for some integer n

Then e = (5n -1)/4 = n + (n -1)/4

We want (n-1)/4 to be an integer, so let it be integer m.

... m = (n -1)/4

... 4m = n -1

... 4m +1 = n

Substituting this into our expression for e gives

... e = (5(4m+1) -1)/4 = (20m +4)/4 = 5m +1

e = 5m+1 for any integer m

4 0
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2 years ago
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