| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.21 |
| Score | 0% | 64% |
A menswear store is having a sale: "Buy one shirt at full price and get another shirt for 40% off." If Monty buys two shirts, each with a regular price of $36, how much money will he save?
| $10.80 | |
| $5.40 | |
| $14.40 | |
| $9.00 |
By buying two shirts, Monty will save $36 x \( \frac{40}{100} \) = \( \frac{$36 x 40}{100} \) = \( \frac{$1440}{100} \) = $14.40 on the second shirt.
| 0.8 | |
| 0.6 | |
| 1 | |
| 1.4 |
1
If a mayor is elected with 90% of the votes cast and 73% of a town's 28,000 voters cast a vote, how many votes did the mayor receive?
| 18,396 | |
| 16,352 | |
| 17,170 | |
| 11,651 |
If 73% of the town's 28,000 voters cast ballots the number of votes cast is:
(\( \frac{73}{100} \)) x 28,000 = \( \frac{2,044,000}{100} \) = 20,440
The mayor got 90% of the votes cast which is:
(\( \frac{90}{100} \)) x 20,440 = \( \frac{1,839,600}{100} \) = 18,396 votes.
What is the greatest common factor of 40 and 40?
| 18 | |
| 23 | |
| 5 | |
| 40 |
The factors of 40 are [1, 2, 4, 5, 8, 10, 20, 40] and the factors of 40 are [1, 2, 4, 5, 8, 10, 20, 40]. They share 8 factors [1, 2, 4, 5, 8, 10, 20, 40] making 40 the greatest factor 40 and 40 have in common.
What is \( \sqrt{\frac{4}{81}} \)?
| 1\(\frac{2}{3}\) | |
| \(\frac{2}{9}\) | |
| 1\(\frac{4}{5}\) | |
| 1\(\frac{1}{5}\) |
To take the square root of a fraction, break the fraction into two separate roots then calculate the square root of the numerator and denominator separately:
\( \sqrt{\frac{4}{81}} \)
\( \frac{\sqrt{4}}{\sqrt{81}} \)
\( \frac{\sqrt{2^2}}{\sqrt{9^2}} \)
\(\frac{2}{9}\)