A salesperson receives a 3% commission on sales. The salesperson receives $180 in commission. What is the amount of sales? Of 140 seventh-grade students, 15% earn the Presidential Physical Fitness Award. How many students earn the award?

The probability of winning something on a single play at a slot machine is 0.11. after 4 plays on the slot machine, what is the probability of winning at least once

One month, a music site observed that 60% of the people who downloaded songs from its site downloaded q sam's latest single. the equation below represents this information, where x represents the total number of people who ddownloaded songs from the site that month: x = 0.6x + 384 how many people who downloaded songs from the site that month downloaded q sam's latest single?

Acomputer store bought a program at a cost of $10 and sold it for $13. find the percent markup