Consumer math
posted by Anna .
How to Compute percent of change in cost:
Item:1 lb.apples price in 1970: 0.25 what is the Present price and what is the percent of change?

idk what you are talking about. sorry :]

The selling price is $137,900.00. The mortgage company requires a 20 percent down payment and I want to pay the money back in 30 years at 8 percent. What is the total amount of interest charged, rounded to the nearest whole dollar?

2.50