59
21/80 is already in its simplest form
21 / 80
21 is 26 and 1/4 percent of 80
To find 80 percent of a number, multiply by 0.8. In this instance, 0.8 x 21 = 16.8. Therefore, 80 percent of 21 is equal to 16.8.
21 can go into 80 a maximum of 3 times. This is because 21 multiplied by 3 equals 63, which is the largest multiple of 21 that is less than 80. When 21 is divided into 80, the quotient is 3 with a remainder of 17.
80 ÷ 21 = 3 with remainder 17 OR 3.81 times.
21 and 80's highest common factor is one.
21 and 42 have a GCF of 21. 40 and 80 have a GCF of 40. The GCF of 21 and 40 is 1.
It is: 21
21
Let the number be 'm' & 'n' Hence Product ; mn = 80 Sum ; m + n = 21 m = 21 - n Substitute (21 - n) n = 80 21n - n^2 = 80 n^2 - 21 n + 80 = 0 It is now in quadratic form to factor. ( n - 16)(n - 5) = 0 Hence the numbers are 5 & 16
No.