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lilavasa [31]
3 years ago
8

PLEASE I NEEED THIS FAST!!

Mathematics
2 answers:
jek_recluse [69]3 years ago
8 0
Supplementary means they are equal to 180 so combine them and set it equal to 180.

7x - 2 = 180

Add 2

7x = 182

Divide by 7

x = 26

Gekata [30.6K]3 years ago
3 0

4x + 3 + 3x - 5 = 180

7x = 182

x = 26

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See missing answers bold

$20 original = $5 final paid           as $15 was s/p before -10 was added

$30 original = $14 final price        as $24 was s/p before -10 was added

$60 original = $35  final price    as $45 was s/p before -10 was added

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A) = f(x) = 20(0.75) -10 =  15 - 10  = $5                 = £5 final paid

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C)  = f(x) = 60(0.75) -10 = 45 -10 = $35               = $35 final price

D)     = f(x) = 92 (75) = 69 -10 = $59                    = $92 original price

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