Answer:
b
Step-by-step explanation:
B
Because he saves $10 per month, which is 10x, and he currently has $500, so you would add the $500 and the $10x, which would be 700.
d
1 20 x 10 will be 200 not 20
the answer is B!! hopefully this helps
Make sure the denominators are the same.
Subtract the numerators. Put the answer over the same denominator.
Simplify the fraction (if needed).