to find slope use 
which means the answer is -1
Answer:
I think it would be 4×n-3 = n+12
He can write 2/3 of a page in 1/4 of an hour.
=> He can write 2/3 × 4 = 8/3 = 2 and 2/3 of a page in an hour
Answer: 2 and 2/3 of a page per hour
ok done. Thank to me :>
Answer:
4
Step-by-step explanation:
a+16=20
a=20-16
a=4