Answer:
D. 7n = 28
Step-by-step explanation:
Let's substitute 4 for n in each equation to check if it the resulting equation is correct:




Therefore the answer is D
The patient weighs about 268 pounds after the 4 week diet.
He spent $52 on sandals. I got this by multiplying 65% by $80 and got $52.
In short answer $52