A spinner has 10 equal sized sections. to win the game the pointer must land on a purple section

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?

Olga bought a new skirt that cost $20. sales tax is 5%. how much did olga pay, including sales tax? 7.

If x varies directly as y, and x = 7.5 when y = 10, find x when y = 4