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OlgaM077 [116]
3 years ago
11

Cheyanne is saving for a car. the amount she has saved for the car, f(x), can be represented by the function f(x) = 65x 750, whe

re x is the number of weeks she has saved. suppose 750 changed to 700. what does this mean in the context of the problem? changing 750 to 700 means the initial amount she saved decreased. changing 750 to 700 means the initial amount she saved increased. changing 750 to 700 means the amount she saves each week decreased. changing 750 to 700 means the amount she saves each week increased.
Mathematics
1 answer:
Lelechka [254]3 years ago
7 0
Is f(x) meant to be equal to 65x+750, or 65*x*750
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Mr. Johnson's lunch bill is $29.90, witch included a 15% tip. What is the price before the tip.
klemol [59]

The price is $26 before tip.

Step-by-step explanation:

Given,

Total bill including tip = $29.90

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Total bill = (100+15)% = 115%

Now,

115% of x = 29.90

\frac{115}{100}x=29.90\\1.15x=29.90

Dividing both sides by 1.15

\frac{1.15x}{1.15}=\frac{29.90}{1.15}\\x=26

The price is $26 before tip.

Keywords: division, percentage

Learn more about division at:

  • brainly.com/question/1388658
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