Raquel knit 17 scarves last year. She plans to knit more scarves this year.

Which equation shows how many scarves Raquel will knit in the two years?
Use t to represent the total number of scarves, and k to represent the number of scarves knit this year
a. t = 17k
b. t = k + 17
c. t = k/17
d. t = k – 17