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scoundrel [369]
3 years ago
8

Cost of a cell phone: $249.50 Markup: 30%

Mathematics
1 answer:
Inga [223]3 years ago
6 0

Answer:

$324.35

Step-by-step explanation:

249.50 x 1.30 = $324.35

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Answer:

There are 13 families had a parakeet only

Step-by-step explanation:

* Lets explain the problem

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- Look to the attached graph for more under stand

∵ The total of the families is 180

∴ The sum of all steps above is 180

∴ 45 - a + 18 + 4 + 30 - b + b + c + a + 70 = 180 ⇒ simplify

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∴ (45 + 18 + 4 + 30 + 70) + (-a + a) + (-b + b) + c = 180

∴ 167 + c = 180 ⇒ subtract 167 from both sides

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