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The number is 8.
8 × 2.5 = 20
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∙ 6y ago
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When 4 is subtraced from one half of an unknown number it is equal to 6 the number is?
Simply reverse the question and you find that 4 + 6, which is 10 equals half of the unknown number. 10 x 2 = 20, which must therefore be the unknown number.
How do you multiply by 20?
* Multiply by 10 (by addind a zero to the right of the number), * then double: Example - multiply 52 by 20: 52 x 10 = 520 double 520 = 1040
If you multiply me by 2 i become a number greater than 20 and less than 40 if you multiply me by six i end in 8 if you multiply me by 4 i end in 2 what number am i?
13
What happens if you multiply odd by even?
If you multiply an odd number by an even number, the product (answer) will be even. Example: 5 x 4 = 20
What number multiply's to 138 but adds to 20?
158
Half is a number is 20 find three quarters of the number?
If half of the number is 20, then the number must be 2 * 20 = 40. Therefore three quarters of the number would be 3 * (40/4) = 30.
How do you find 20 percent of a number?
Multiply the number by 0.2
What percent of 20 is eleven?
well in order to find a percent of something you must convert it into a decimal and then multiply it by the number 20%=.20 .20 times 11=2.20 so 20% of 20 is 2.2
Which fraction is bigger half or 11 over 20?
11 over 20 is larger. a half is 1 over 2, as long as you multiply or divide by the same number top and bottom you can re-write fractions. So if you multiply the half by ten top and bottom you get 10 over 20 so it's obvious that 11 is greater than 10. Also since 11 is more than half of 20 it's pretty easy in that case.
if 1/7 of a number is 20 what is the number?
if you want the whole number, multiply 20 by 7. 20+20+20+20+20+20+20=140
How do you multiply two and a half times a number?
Two methods can be used here; take your pick. 1) Multiply 2 times the number, multiply 1/2 times the number, add the results. Example: 2 1/2 times 20 = (2 x 20) + (1/2 x 20) = 40 + 10 = 50. 2) Convert the mixed fraction into an improper fraction, than multiply. Example: 2 1/2 x 20 = 5/2 x 20 = 100/2 = 50.
What do you do to find 20 percent of a number?
Multiply by 20 and divide by 100 or alternatively, just multiply by 0.20. Example: 20% of 400 is 80.
How do you get 20 percent less of a number?
If you multiply a number by 0.8, the result is 20% less than the original number.
A number whose square is 20?
Well, a square number is the answer to a number multiplied by itself. So, what you'd have to do is multiply 20*20, and the answer is 400.
What do you mulitply to get 20 percent?
Multiply the number by 0.2
50 percent of what number is 10?
50 = 0.1 x multiply both sides by 10 to get 1 x (or 100% of x) 500 = x therefore, 50 is 10% of 500
When 4 is subtraced from one half of an unknown number it is equal to 6 the number is?
Simply reverse the question and you find that 4 + 6, which is 10 equals half of the unknown number. 10 x 2 = 20, which must therefore be the unknown number.
