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Well, isn't that a happy little question! When we see "25 R7" in division, it means 25 divided by 7. The "R7" part represents the remainder of the division, which in this case would be 4. So, 25 divided by 7 equals 3 with a remainder of 4.
Well, darling, the answer to a number x divided into 25 is 1/x. Simple as that. So, if you're feeling stuck, just remember that math doesn't have to be a headache - unless you're dividing by zero, in which case, good luck with that!
If (x divided by 7) - 2 = 6, then x = 56 If x divided by (7 - 2) = 6, then x = 30
The lowest number is 421. There are many numbers that meet that criteria, all of them are one number higher than multiples of the Least Common Denominator of 2, 3, 4, 5, 6, and 7 (which is 3 x 4 x 5 x 7 = 420 ). 421 /2 = 210 r.1 421 /3 = 140 r.1 421 /4 = 105 r.1 421 /5 = 84 r.1 421 /6 = 70 r.1 421 /7 = 60 r.1
The circumference is Pi x r x r.... In THIS case it's .25 x .25 x Pi... which equals 0.19634375