08/23/16
Story problem
A publisher for a new novel figures fixed costs at $51,000, and variable costs at $2.10 for each book produced. If the book is sold to distributors for $14.00 each, how many must be produced and...
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08/02/16
the ones digit of a two digit number is one less than the tens digit. one half the sum of the ones digit and double the tens digit is 13. find the number
this is a math equation........ There is no deicription
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