1. He worked 10 hours + 15 hours = 25 hours He earned $280 for 25 hours of work. The rate per hour is $280/25 hours = $11.20/hour
2. You need to find 6% of $32,345. To find a percent of a number, multiply the percent by the number. To change the percent into a decimal, move the decimal point two places tot he left. 6% of $32,345 = 6% * $32,345 = 0.06 * $32,345 = $1,940.70
3. flat paint: 33 gal gloss paint: 57 gal Total paint = 33 gal + 57 gal = 90 gal Ratio of gloss to total = 57:90