3 years ago

Question 4:

Mathematics

1 answer:

jonny [76]3 years ago

3 0

Answer:

.op

Step-by-step explanation:

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vova2212 [387]

Answer:

$40\%x + x = 14 \\ \\ \\ \frac{40}{100} x + x = 14 \\ \\ \\ \frac{4}{10} x + x = 14 \\ \\ 0.4x + x = 14 \\ \\ 1.4x = 14 \\ \\ x = \frac{14}{1.4} \\ \\ \\ x = \frac{140}{14} \\ \\ \\ x = 10$

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