Afarmer has plans to leave part of his cornfield as grass for erosion control. the grass section will be a 12-foot square. the dimensions of the cornfield are 60 feet long by 40 feet wide. what is the actual square footage planted in corn?

The expression of this would be 3.75x+y= 23

When rates are expressed as a quantity of 1, such as 2 feet per second or 5 miles per hour, they are called unit rates. if you have a multiple-unit rate such as 120 students for every 3 buses, and want to find the single-unit rate, write a ratio equal to the multiple-unit rate with 1 as the second term.