What is 17/10 as a percent

Will mark brainliest if you answer ! the taco shop sold 198 lunches friday. this number is 3 more than 3 times the number they sold monday. let n represent the number of lunches sold monday. which equation shows an equality between two different ways of expressing the number of lunches sold on friday? a. n – 3 = 198 b. 3n – 3 = 198 c. 3n + 3 = 198 d. n + 3 = 198

Precalculus question, image attached.

Susie wants to take her friend out for lunch. she wants to spend $9.75 each person. how much will she spend in all.