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vitfil [10]
2 years ago
6

Complete the table. Original Price- $ Percent of Discount- 5% Sale Price- $57

Mathematics
1 answer:
astra-53 [7]2 years ago
7 0

The original price is $ 60

<em><u>Solution:</u></em>

Given information are:

Original price = ?

Percent of discount = 5 %

Sales price = $ 57

So, we have to find out the original price

Let "x" be the original price

Then, we can say,

Original price = sales price + discount percent of original price

x = 57 + 5 % of x

x = 57 + 5 \% \times x\\\\x = 57 + \frac{5}{100} \times x\\\\x = 57 + 0.05 \times x\\\\x = 57 + 0.05x\\\\x - 0.05x = 57\\\\0.95x = 57\\\\Divide\ both\ sides\ of\ equation\ by\ 0.95\\\\x = 60

Thus original price is $ 60

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Given : A different species of cockroach has weights that are approximately Normally distributed with a mean of 50 grams. After measuring the weights of many of these cockroaches, a lab assistant reports that 14% of the cockroaches weigh more than 55 grams.

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