10 x 2-7=13
there are none
Multiply it by 22/100 or .22 then subtract answer from the original.
To subtract three-fifths from thirteen-twentieths, first convert three-fifths to a fraction with a denominator of twenty. Three-fifths is equivalent to twelve-twentieths. Now, subtract: ( \frac{13}{20} - \frac{12}{20} = \frac{1}{20} ). Therefore, thirteen-twentieths subtract three-fifths equals one-twentieth.
3 x 7 = 21 29 -21 = -8
There are no real numbers that meet that criteria.
28 ÷ 4 x 3 - 10 = 11
The answer is 120, all you have to do is multiply 160 with .25 then subtract 160 from 40 which should be your answer and you will end up with -120, but ignore the negative sign.
thirteen and twenty hundredths
multiply the numerator and the denominator by 4, giving you 52/100. this is the same as 0.52, or 52%.
423,013,118.
Nine times three equals twenty-seven.
There is no true answer to the square root of twenty, Because you can't multiply two of the same numbers to make twenty.