Question

I need help and fast!! 20 points if answered! Plz don't just answer to get points!!

Answer 1

equation n= 15-f

Explanation:

f= already folded

for second question: n=15-6

Answer 2

1) equation relating both

N+F = 19

2)N = 9

Explanation:

N+F =15

He folded 6, so F = 6

N = 15 - 6 = 9