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navik [9.2K]
3 years ago
11

Find the percent of discount for $70 discounted to $63. Round to the nearest percent.

Mathematics
1 answer:
aksik [14]3 years ago
5 0
70 x P = 63
P=63/70 = 0.9
Since P is 1-the discount
1-discount= 0.9
discount is 0.1, or 10 %
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For point (4, -16)

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For point (5, -24)

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Equation (1) - equation (2)

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Equation (2) - equation (3)

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-9a - b = 8

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Equation (4) - Equation (5)

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From equation (4),

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b = -6 + 7

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From equation (1)

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-9 + 3 + c = -10

c = -10 + 6

c = -4

Therefore, the value of constant term c is (-4).

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