The fourth grade students are running a food drive. they want to collect 1,000 cans of food. they need to collect 8 times as many cans as they already have in order to reach their goal. how many cans do they already have? explain how you got your answer.

Ascientist has 50 grams of a radioactive element. the amount of radioactive element remaining after t days can be determined using the equation (1) after two days the scientist receives a second shipment of 50 grams of the same element. the equation used to represent the amount of shipment 2 remaining after t days is 10) - 50 which of the following is an equivalent form of the expression for the amount remaining in shipment 2? what’s the answer?