The following table represents the number of tickets purchased at a movie theatre and the cost of purchase. # of Tickets Cost
2 $17
4 $34
6 $51
8 $68

The number of tickets purchased varies directly with the total cost of the purchase. Determine the constant of variation.

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?