SOLUTION: The sale Price S (in dollars) of an item is given by the formula S=L - rL, where L is the lost price (in dollars) and r is the discount rate (in decimal form)
a. Solve the formu
Algebra ->
Equations
-> SOLUTION: The sale Price S (in dollars) of an item is given by the formula S=L - rL, where L is the lost price (in dollars) and r is the discount rate (in decimal form)
a. Solve the formu
Log On
Question 991207: The sale Price S (in dollars) of an item is given by the formula S=L - rL, where L is the lost price (in dollars) and r is the discount rate (in decimal form)
a. Solve the formula for r
You can put this solution on YOUR website! The sale Price S (in dollars) of an item is given by the formula S=L - rL, where L is the list price (in dollars) and r is the discount rate (in decimal form)
a. Solve the formula for r
S = L - rL
rL = L-S
r = (L-S)/L = 1 - (S/L)
-----------------------------------
b. The list price of the shirt is $30. What is discount rate?
r = 1 - (S/30)