Question

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Answer 1

10% más = 110%

110% de 50:

$\frac{110}{100} \times 50 = \frac{5500}{100} = 55$

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30% menos = 70%

70% de 60:

$\frac{70}{100} \times 60 = \frac{4200}{100} = 42$

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El doble del 15% = 30%

30% de 240:

$\frac{30}{100} \times 240 = \frac{7200}{100} = 72$

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$55 + 42 - 72 = 25$