35 over 100 is what in simplest form

Savannah is painting a striped background for a mural on a wall that is 1515 yards long. she wants a total of 9696 stripes that are all the same width. which calculation should savannah use to decide how wide to make each stripe?

When 142 is added to a number the result is 64 more times the number my options are 35 37 39 41

2/3(-6y+9x) expand each expression using the distributive property