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emmasim [6.3K]
3 years ago
15

a restaurant bill comes to $28.35. find the total cost if the tax is 6.25% and a 20% tipis left on the amount before tax

Mathematics
1 answer:
maxonik [38]3 years ago
8 0
28.35 + 7.441875 = 35.791875



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Answer:

30 CDs and 10 Videos were sold.

Step-by-step explanation:

Given that a used book store also started selling used CDs and videos. In the first week, the store sold 40 used CDs and videos, at 4.00 per CD and 6.00 per video.

The sales for both CDs and videos totaled to 180.00.

Let CDs be x and Videos be y

Then we have x+y =3040

and 4x+6y = 180

Two simultaneous equations in two variables and can be solved by elimination method

multiply I equation by 4 and subtract from II.

2y = 20

y =10

x = 30

30 CDs and 10 Videos were sold.

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What is 9 5/9-6 5/6 I seem to not get the right answer every time I try
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If you would like to solve 9 5/9 - 6 5/6, you can calculate this using the following steps:

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Step-by-step explanation:

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In the same case it decreases dramatically if the power is negative or the number is improper fraction with positive number exponent; like (3/4)∧x,2∧-x  when x is positive real number.

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