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3 years ago

Solve the linear inequality 1.5−2.5x≤4.5

Mathematics

2 answers:

aleksklad [387]3 years ago

8 0

1.5-2.5x≤4.5
-1.5 -1.5

-2.5x≤3
------ ---
-2.5 -2.5

x≥ -1.2

PilotLPTM [1.2K]3 years ago

3 0

InequalitiesNumbersPercentagesScientific NotationCalculusDifferentiateIntegrateMatricesArithmeticInverseDeterminant
Quickmath step-by-step math solverExpressionEquationInequalityContact usSimplifyFactorExpandGCFLCMEnter expression, e.g. (x^2-y^2)/(x-y)Sample Problem1.5−2.5x ≤ 4.5SimplifySimplify1.5−2.5x≤4.51510−2510x≤4510

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2 years ago

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3 years ago

Backpack is normally $64.99, put on sale it is marked down to $45.49 what percent off is the sale price

pogonyaev

Answer:

The percent off on the sale price is 30%.

Step-by-step explanation:

Marked up price = $64.99

marked down Price = $45.49

Let us assume the off percentage = k%

Now, the Amount off on the sale = Marked up price - Marked down price

= $64.99 - $45.49 = $19.5

⇒ k% off on Marked up Price $64.99 = $19.5

or, $\frac{k}{100} \times 64.99 = 19.5\\\implies k = \frac{19.5 \times 100}{64.99} = 30$

or, k = 30%

Hence, the percent off on the sale price is 30%

8 0

2 years ago