Farmer green runs an organic farm and is planting fields. he remembers from previous years that he planted 4 acres of tomatoes and 2 acres of zucchini in 78 hours. a different year he planted 2 acres of of tomatoes and 3 acres of zucchini in 61 hours. if t represents the number of hours it takes to plant an acre of tomatoes, and z represents the number of hours it takes to plant one acre of zucchini, determine how long it take farmer green to plant an acre of each crop by solving the following system of equations. 4t+2z=78 2t+ 3z=61. it takes how many hours to plant one acre of tomatoes? it takes how many hours to plant one acre of zucchinni? if he wants to plant 5 acres of tomatoes and 2 acres of zucchini will he get the crops to predict in 72 hours?