Chet and Wesley sold gift wrap for a school fund-raiser. 3
13
Chet sold of their class's total and Wesley sold of
28
28
their class's total. How much less of the class total did Chet
sell than Wesley did? Simplify the answer if possible.

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?

20 points - ! gia decides to buy square tiles to cover her kitchen floor. the tiles are 18” square tiles and cost $3.85 each. how much will it cost to tile her kitchen if the measurements are 11’ x 12’?

Awoman won a 4000-m race with a time of 12.089 min. what was her rate?