Eli and Claire work at a dry cleaners ironing shirts. Eli can iron 15 shirts per hour, and Claire can iron 20 shirts per hour. Eli and Claire worked a combined 17 hours and ironed 300 shirts. Graphically solve a system of equations in order to determine the number of hours Eli worked, , and the number hours Claire worked , y.

At 6 1/2 cents per pound of string beans how much does 7 pounds cost

Find the value of x. give reasons to justify your solutions! l, m ∈ kn

Ariana starts with 100 milligrams of a radioactive substance. the amount of the substance decreases by 20% each week for a number of weeks, w. the expression 100(1−0.2)w finds the amount of radioactive substance remaining after w weeks. which statement about this expression is true? a) it is the difference between the initial amount and the percent decrease. b) it is the difference between the initial amount and the decay factor after w weeks. c) it is the initial amount raised to the decay factor after w weeks. d) it is the product of the initial amount and the decay factor after w weeks.