Question

Nuala baked 64 cookies for a party. After each party guest ate n cookies, 9 cookies were left uneaten. If there were more than 9 guests at the party, and if n is an integer greater than 1, what is the value of n?

Answer 1

64=xn
with 9 remaining 55=xn

Answer 2

where x>9 and n>1

Answer 3

So how exactly can I solve this?

Answer 4

@NickR

Answer 5

well lets say they had 10 ppl so 55/10=n n=5.5 which isnt a whole number so thats not the answer

Answer 6

guess and check

Answer 7

Ah ok. I just thought there is some quickest way to solve this problem. Guess not.

n = 11

Answer 8

no x would be 11 giving n=5

Answer 9

oops wrong variable. I know this anyway. Thanks.

Answer 10

no problem