Literal Equations Review 1.5

Solve for W: A = LW

Solve for B: XY = BC

Solve for y: 5x + 8y = 12

Solve for y: -10x + 6y = - 11

Charlie invest $500 in Apple stocks. It returned a 6%interest rate for the month of August. He kept it active for 4 years. How much interest did Charlie make?

Use I = prt

(a)  

In the formula I = prt, what does p stand for?

Bryce borrows $20,000 to buy a truck. He pays 3.5% interest rate and borrows the money for 5 years. How much interest does Bryce pay? Use I = prt

(a)  

What does I stand for in the formula I = prt

Kelley wants to purchase a new MAC at Best Buy. She is going to borrow $1200 for her grandma. She will pay a 4% interest rate and pay $96 in interest. How many years will it take her to pay back the money?

Mr. Williams deposited $6500 in his savings account where he earned $97.50 in interest after he leaves the money in there for 3 years. What was his interest rate? Use I = prt.