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Topic: Rounding numbers homework
July 22, 2019 / By Genna
Question: How do I find out 1/4 (1 quarter) of 9/10 (nine tenths)? I need to know how to do others, so can someone show me an really easy method with the solution? Thanks guys, but I don't know how to make 25% of 9/10 either!! Maths is always difficult for me!! Message for Spencer - thanks for working that out. I understand all of it apart from the answer. lol. I divided 40 by 9 and I got 4.4. I have to round it up/down to the nearest number, so I'm getting 4. How did you get your answer?

Delicia | 3 days ago
When looking for a fraction of a fraction, all that you have to do is multiply the fractions together. So, the equation to solve 1/4th of 9/10ths is simply (1/4)(9/10). The numeration, the top of the fraction is equal to 9*1, and the denominator is equal to 4*10. So, the new fraction is (9*1)/(4*10). This can be simplified to 9/40ths. This could be your final answer, unless you want a decimal answer. In that case you simply need to divide 9 by 40 on a calculator, which gives you a final answer of .225. Here are the steps one by one, 1/4 * 9/10 = (1*9) / (4*10) = 9/40 = .225 Hope I was helpful B)
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Percentage of women who complete the marathon = 18/25 * 100% = 72% Percentage of men who complete the marathon = 21/35 * 100% = 60% Did not complete = [25+35] - [ (25-18) + (35 - 21) ] . . . . . . . . . . . . . . = 60 - (7 + 14) . . . . . . . . . . . . . . = 60 - 21 . . . . . . . . . . . . . . = 39 . . . . . . . . . . . . . . = 39/60 * 100% . . . . . . . . . . . . . . = 65%