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zalisa [80]
3 years ago
7

The Jayden family eats at a restaurant that is having a 15% discount promotion. Their meal costs $78.72 before the discount, and

they leave a 20% tip. If the tip applies to the cost of the meal before the discount, what is the total cost of the meal? Round your intermediate calculations and answer to the nearest cent.what is the total cost of the meal?
Mathematics
1 answer:
IrinaVladis [17]3 years ago
6 0

Answer:

$82.65

Step-by-step explanation:

First, find the cost with the discount:

78.72(0.85)

= 66.91

Then, find the amount of the tip:

78.72(0.2)

= 15.74

Then, add together the cost and tip:

66.91 + 15.74

= 82.65

So, the total cost of the meal was $82.65

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Step-by-step explanation:

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Answer:

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3 years ago
I need help with all except graph on first question please! Work shown or not doesn’t matter
Jobisdone [24]

Answer:

y = 7/5x + 18/5

Step-by-step explanation:

so we have y = mx + b

f(1) = 5

f(-4) = -2

so let's find b

so like if you do (5 - (-2))/(1 - (-4)) you get (5 + 2)/(1 + 4) = 7/5

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5 0
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What's the answer to the question
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First, find the slope of the line y-Ax=B
y=Ax+B, so the slope is A, which is a constant.
Because the new line is parallel to the given line, so the slope is also A.
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