Roxi R.

asked • 05/02/13

Find a 2 decimal place number between 0 and 1 such that the sum of its digits is 13 and such that when the digits are reversed the number is decreased by 0.45.

 I understand there is a standard formula for figuring these out, but I don't really understand why.

I think it's something along the lines of 0.1t +0.01h =13 and 0.01t + 0.1h = 12.55.

But I'm having trouble understanding why this is and applying it to other problems, especially fractions.

1 Expert Answer


John R. answered • 05/02/13

4.6 (55)

John R: Math, Science, and History Teacher

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