Shondra is walking 5,000 feet for a charity fund-raiser. She walks at a rate of 255 feet per minute, m. Which equation represents d, the remaining number of feet Shondra has to walk?
A. d = 5,000m - 255 B. d = -5,000 + 255m C. d = -255 + 5,000 D. d = 5,000 - 255
Ramona is walking 10,000 feet for a fundraiser. She walks at a rate of 270 feet per minute. This situation is modeled by the equation below, where d represents.