Malik and his mom are planting vegetables in their garden. Malik has finished planting 7 rows of carrots so far and is planting new rows at a rate of 5 rows per hour. His mom has finished 10 rows of tomatoes and will continue planting at 2 rows per hour. Once they have an equal number of carrot and tomato rows, they will take a break and decide what to plant next. a. How many hours will it take for them to plant the same number of vegetable rows? How many rows will they each have completed?

Lian is deciding which of two gyms to join. each gym charges a monthly rate plus a one-time membership fee. lian correctly wrote and solved a system of linear equations by substitution to compare the costs of the memberships. in her work, she substituted an expression for one variable and solved for the other. this resulted in the equation 75 = 75. what can lian conclude? one gym charges $75 per month. each gym charges $75 per month both gyms charge the same monthly rate and the same membership fee. both gyms charge the same monthly rate, but not the same membership fee.