Chetan has an average of 77on his first 3 math tests. he wants an average of 80. what equation can be used to find s, the score chetan would need on the 4th test to achieve this average?

3x + 4y = 5 x- 3y = -7 solve by substitution

Avegetable farmer fills of a wooden crate with of a pound of tomatoes. how many pounds of tomatoes can fit into one crate? a. 14/15 of a pound b. 2 1/10 pounds c. 1 1/14 pounds d. 10/21 of a pound

Which container holds more, a half gallon milk jug or a 2 liter juice bottle