Can someone check my answer? I'm not sure if i'm doing this correctly.

3.) After one month at a new job you decide to save $50. Each month you plan to increase your savings by five dollars.
a.) (2 pts) Write an explicit formula to model the amount you will save each month.
b.) (2 pts) How much will you put in your savings account at the end of the seventh month?

My answers:

A.) S=savings M=months
S=50(m)+5(m)

B.) S=50(17)+5(17)
S=850+85
S=935

Question

Can someone check my answer? I'm not sure if i'm doing this correctly.

3.)  After one month at a new job you decide to save $50.  Each month you plan to increase your savings by five dollars.
a.)	 (2 pts) Write an explicit formula to model the amount you will save each month.
b.)	(2 pts) How much will you put in your savings account at the end of the seventh month?

My answers: 

A.) S=savings M=months 
S=50(m)+5(m)

B.) S=50(17)+5(17)
S=850+85
S=935