The quarterback passed a gain of 27 yards, but the next play, the referee called a penalty of 10 yards. how far did the ball advance after the two players?

27 yard gain - 10 yard penalty = 17 yards that the ball advanced after the two plays.

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.

3x+9+4x+x=8x+9that's the answer for your question.