consumer math

Billy has $40 in a savings account that earns 10% interest, compounded annually. To the nearest cent, how much will he have in 2 years? Use the formula B = p(1 + r)t

A 2-yard piece of aluminum wire costs $15.90. What is the price per foot?

The sale price of a turkey sandwich is $2.31 when given 45% off. What was the original price?

What was the original price of a gold ring whose sale price is $51 when given 25% off?

A 9-yard roll of tape costs $3.06. What is the unit price?

A 2-gallon bucket of paint costs $89.92. What is the price per quart?

Reba has a part-time job at the local ice cream shop. In June, she earned $668, and in July she earned $723. How much money did Reba earn in June and July combined?

Use simple interest to find the interest on $100 at a rate of 10% for 2 years

3 tons of mulch cost $20,820.00. What is the price per pound?

What was the original price of a jump rope whose sale price is $2.24 when given 60% off?

Clara went to a jewelry store, where she bought a diamond necklace and a gold watch. The necklace cost $959.00, and the watch cost $897.00. How much did Clara spend at the jewelry store?

Use simple interest to find the interest on $40 at a rate of 10% for 1 year

An 8-kilogram bag of potting soil costs $6.08. What is the unit price?

Use simple interest to find the interest on $60 at a rate of 5% for 1 year

A 6-pack of light bulbs costs $9.78. What is the unit price?