1st, let: a= the number you are searching for, of which 105 is 35% of.
because fractions are better to work with than percentage or decimals, 35%=7/20
therefore, 105=7a/20
105x20=7a
2100=7a a=2100/7 therefore a=300
to crosscheck, 35% of 300=105
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The Least Common Multiple (LCM) of two numbers is the smallest multiple that both numbers share. To find the LCM of 35 and 105, you first need to list the multiples of each number: 35 (35, 70, 105, 140, ...) and 105 (105, 210, 315, ...). The smallest multiple that both numbers share is 105. Therefore, the LCM of 35 and 105 is 105.
Suppose the number is N then 4N = 3*abs(35-N) where abs(35-N) is the difference between 35 and N If N > 35 then 4*N = 3*(N-35) = 3*N - 105 So N = -105 If N < 35 then 4*N = 3*(35-N) = 105 - 3*N So 7*N = 105 ie N = 15 So N = -105 or 15
X*7/100=105 x=1500
0.3333
It's easy to find the percent of a number. Get your computer calculator, type in your number (18.50) then minus your percent (35%), but don't press equals. The number in your calculator is 35% of 18.50, which is 6.47, or 6.5.