Clayton is plowing a wheat field. There are a total of 160 acres to be plowed. If he can plow 5 acres per hour, which equation would represent A, the number of acres left to plow, after Clayton has plowed for h hours?

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?