After three years, Elsie’s car had lost 1/3 of its original value. Two years later, it had lost an additional 1/4 of its original value. If she bought the car for 3,600 dollars, what was the price it was worth after 5 years?

Which recursive formula can be used to determine the total amount of money earned in any year based on the amount earned in the previous year? f(n+1)=f(n)+5

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.

The candy store is having a 30% off sale. emma is going to buy $7.50 worth of candy.how much will she pay after the discount