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Lisa [10]
3 years ago
13

You had a coupon that made the price of a large pizza 13.00. For what percent off was the coupon?

Mathematics
1 answer:
fomenos3 years ago
7 0

Answer:20% oofff

Step-by-step explanation:

100-(13*100/o)=z

o=original price

100-(13*100/16.25)=z

100-80=z

20%

answer is z%

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Read 2 more answers
The sum of 3 consecutive multiples of 4 is 180.
Paul [167]

9514 1404 393

Answer:

  56, 60, 64

Step-by-step explanation:

The middle of the three numbers is their average: 180/3 = 60. The other two will be 4 more or less than this.

The numbers of interest are 56, 60, 64.

_____

<em>Additional comment</em>

For "consecutive integer" problems, it is often useful to work with the average of the numbers. The average will be the middle number of an odd number of numbers (as here), or will be halfway between the two middle numbers if their number is even.

Even if you bother to write equations, it can work to do that in terms of the average value (middle number): (x -4) +(x) +(x +4) = 180 in this case.

7 0
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Darya [45]

Answer:

12/4 i really hope this helps i took the test and got a 100

Step-by-step explanation:

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2 years ago
Which of the following is equivalent to (4 x 10^-7) + (5 x 10^-7)
Vera_Pavlovna [14]
The correct answer is D
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