Lily is competing in a race in which she both runs and rides a bike. she runs 5 kilometers in 0.5 hours and rides her bike 20 kilometers in 0.8 hours. at the rate given, how many kilometers can she bike in one hour?
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29. explain the error a student found the product of 8 × 10 6 and 5 × 10 9 to be 4 × 10 15 . what is the error? what is the correct product?

Kevin has just finished paying off his loan. he was assessed a service charge of $422. he paid off the principal and the interest by making weekly payments of $36.13 for four years. if the principal was $7,150, how much did kevin pay in finance charges, to the nearest dollar? a. $498 b. $365 c. $422 d. $787

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?