Doug earns $10.50 per hour working at a restaurant on Friday he spent 1 3/4 hours cleaning 2 1/3 hours doing paperwork and 1 5/12 hours serving costumers what were Doug's earnings

Awindow washer cleans 42 windows in 2 hours. at this rate, how many windows did he clean in 180 minutes.

Maddie's rectangular kitchen has an area of 10 square yards and a length of 3 3/4 yards.how many yards wide is maddie's kitchen?

Arectangular garden is 5 feet long and 3 feet wide. a second rectangular garden has dimensions that are double the dimensions of the first garden. what is the percent of change in perimeter from the first garden to the second garden?