3. Kaylin is a running back on her football team. In her last game she ran the ball 3 times gaining yd on her first carry, losing yd on her second carry, and gaining yd on her third carry. Her coach, Eric used a calculator to find that the net yardage was 40 yd.
(a) Estimate Kaylin’s net yardage for her 3 carries. Show your work. (Note: Net yardage is the number of yards gained or lost after all 3 carries of the ball.)
(b) Was Coach Eric’s answer reasonable? Why or why not?
(c) Determine Kaylin’s exact net yardage. Show your work.

Question

3.	Kaylin is a running back on her football team. In her last game she ran the ball 3 times gaining   yd on her first carry, losing   yd on her second carry, and gaining   yd on her third carry. Her coach, Eric used a calculator to find that the net yardage was 40 yd.
(a)	Estimate Kaylin’s net yardage for her 3 carries. Show your work. (Note: Net yardage is the number of yards gained or lost after all 3 carries of the ball.)
(b)	Was Coach Eric’s answer reasonable? Why or why not?
(c)	Determine Kaylin’s exact net yardage. Show your work.