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Babybeast3544
20.11.2020 •
Mathematics
The cost of a compact disc is $18. Mrs. Meridth bought 3 discs and received a 15% discount. If the sales tax is 8.8%, find the total price. Show each step.
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Ответ:
$49.572
Step-by-step explanation:
Given that :
Cost per disc = $18
Number of disc purchased = 3
Discount received = 15%
Sales tax = 8%
Original cost : cost per dic * number purchased
Original cost = $18 * 3 = $54
Discounted price = (100 - 15)% * $54
Discounted price = $45.9
Sales tax :
(100 + 8)% of $45.9
108% * $45.9
= $49.572
Total price = $49.572
Ответ:
Step-by-step explanation:
To Solve a System of Equations by EliminationTo Solve a System of Equations by EliminationWrite both equations in standard form. ...To Solve a System of Equations by EliminationWrite both equations in standard form. ...Make the coefficients of one variable opposites. ...To Solve a System of Equations by EliminationWrite both equations in standard form. ...Make the coefficients of one variable opposites. ...Add the equations resulting from Step 2 to eliminate one variable.To Solve a System of Equations by EliminationWrite both equations in standard form. ...Make the coefficients of one variable opposites. ...Add the equations resulting from Step 2 to eliminate one variable.Solve for the remaining variable.To Solve a System of Equations by EliminationWrite both equations in standard form. ...Make the coefficients of one variable opposites. ...Add the equations resulting from Step 2 to eliminate one variable.Solve for the remaining variable.Substitute the solution from Step 4 into one of the original equations.To Solve a System of Equations by EliminationWrite both equations in standard form. ...Make the coefficients of one variable opposites. ...Add the equations resulting from Step 2 to eliminate one variable.Solve for the remaining variable.Substitute the solution from Step 4 into one of the original equations.More items...