Question

what is the value of n 9 times 27 plus 2 times 31 - 28 equals n

Answer 1

n = 9 · 27 + 2 · 31 - 28

n = 243 + 62 - 28

n = 305 - 28

n = 277

Answer 2

n=9•27+2(31-28) n=243+ 6 n=249