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Sever21 [200]
3 years ago
13

The price of a wrist watch has decreased from $50 to $30.What is the percentage decrease in the price of the wrist watch

Mathematics
1 answer:
Anit [1.1K]3 years ago
4 0

Answer:

It is 40% off!

Step-by-step explanation:

Since 50 x 2 is 100, you only have to double both numbers.

100 decreased to 60 is subtracting 40. It is 40% off!

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5÷7 is also \frac{5}{7}--that divided sign is what the fractional bar represents in a fraction.

now multiply 5*\frac{1}{7}=\frac{5}{1}*\frac{1}{7}=\frac{5*1}{1*7}=\frac{5}{7}

both are the same result, so your answer is Choice B.

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3 years ago
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