1,600
80 x 20 = 1600.
20 x 4= 80
20% of 400 $ = 80 $. Here's how! 20% means 20/100 = 0.2 of means Product ie; Multiplication. Therefore, 20% of 400 $ = 0.2 * 400 $ = 80 $.
If there is an item with an original price of $100, and it is on sale for 20% less, the final cost will be 80% of the original price. Since 80% basically means "80 out of 100", the product would be worth $80.
20 percent of 80 = 1620% of 80= 20% * 80= 20%/100% * 80
The LCM of 16 and 20 is 80.The LCM is the product of the numbers divided by their GCF.The GCF of 16 and 20 is 4. (We know the GCF can't be any larger than the difference between the two numbers. Trying 4 divided into 16 and 20 shows that it is a factor of both).16 * 20 / 4 = 80, which is the LCM.The LCM is: 80Method of prime factorization: Expressing each number as the product of prime numbers.20 = 2x2x516 = 2x2x2x2H.C.F. of 20 and 16 = 2x2 = 4.L.C.M.(20,16) = H.C.F.(20,16) x Product of uncommon numbers in prime factorizationsL.C.M.(20,16) = 4 x 5x2x2 = 4x20 = 80.Alternate method:Multiples of 20 are 20, 40, 60, 80, 100, 120, 140, 160, 180,...Multiples of 16 are 16, 32, 48, 64, 80, 96, 112, 128, 144, 160,...As we can see that there exists infinite common multiples but the least common multiple is 80.
80% of 20 is 16.
4 x 20 = 80 4 x 7 = 28 80 + 28 = 108 4 x 27 = 108
Since 20 is a factor of 80, the GCF of 20 and 80 is 20
80% of 20 = 80% * 20 = 0.8 * 20 = 16
Twenty five percent of a number would be 1/4 of it. So that would have "25% of 80" is as "80/4 = 20".
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