Ten times.
53
80 percent of 53 is 42.4
In Math, out of just means divide so the answer would be 53/80 which is 66.25%. Hope that helped :)
1 + 7 + 19 + 53 = 80... 80 / 4 = 20.
53 x 53 = 2809
53 is a prime, so 1 times 53 (unless you allow fractions).
The GCF is 1.
The average is 80.
53 times 4
62 x 53 = 3286
2/3 of 80 is 53 1/3 or 53.33