John is 3 years older than Susan and khalid is 5 years younger than her . The sum of their ages is 40 . Find their ages.
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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?

At a sale this week, a desk is being sold for $213. this is a 29% discount from the original price. what is the original price?

Find the area of the unshaded square