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aliina [53]
3 years ago
7

A surfboard that has a regular price of $150 is on sale at a 40% discount. What is the sale price with a 9% tax?

Mathematics
1 answer:
Ahat [919]3 years ago
8 0

Answer:

$98.10

Step-by-step explanation:

150 decrease 40% =

150 × (1 - 40%) = 150 × (1 - 0.4) = 90

90 increase 9% =

90 × (1 + 9%) = 90 × (1 + 0.09) = 98.1

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Answer:

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Step-by-step explanation:

(3x – 1)(5x – 9)

FOIL

first: 3x*5x= 15x^2

outer: 3x(-9) = -27x

inner: -1(5x) = -5x

last: -1(-9) = 9

Add them together

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Combine terms

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