| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 2.88 |
| Score | 0% | 58% |
If the ratio of home fans to visiting fans in a crowd is 2:1 and all 45,000 seats in a stadium are filled, how many home fans are in attendance?
| 30,000 | |
| 22,667 | |
| 39,200 | |
| 24,000 |
A ratio of 2:1 means that there are 2 home fans for every one visiting fan. So, of every 3 fans, 2 are home fans and \( \frac{2}{3} \) of every fan in the stadium is a home fan:
45,000 fans x \( \frac{2}{3} \) = \( \frac{90000}{3} \) = 30,000 fans.
\({b + c \over a} = {b \over a} + {c \over a}\) defines which of the following?
commutative property for division |
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commutative property for multiplication |
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distributive property for multiplication |
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distributive property for division |
The distributive property for division helps in solving expressions like \({b + c \over a}\). It specifies that the result of dividing a fraction with multiple terms in the numerator and one term in the denominator can be obtained by dividing each term individually and then totaling the results: \({b + c \over a} = {b \over a} + {c \over a}\). For example, \({a^3 + 6a^2 \over a^2} = {a^3 \over a^2} + {6a^2 \over a^2} = a + 6\).
Monica scored 75% on her final exam. If each question was worth 2 points and there were 80 possible points on the exam, how many questions did Monica answer correctly?
| 44 | |
| 16 | |
| 15 | |
| 30 |
Monica scored 75% on the test meaning she earned 75% of the possible points on the test. There were 80 possible points on the test so she earned 80 x 0.75 = 60 points. Each question is worth 2 points so she got \( \frac{60}{2} \) = 30 questions right.
The __________ is the smallest positive integer that is a multiple of two or more integers.
least common factor |
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greatest common factor |
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absolute value |
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least common multiple |
The least common multiple (LCM) is the smallest positive integer that is a multiple of two or more integers.
Damon loaned Christine $1,000 at an annual interest rate of 2%. If no payments are made, what is the total amount owed at the end of the first year?
| $1,060 | |
| $1,040 | |
| $1,020 | |
| $1,080 |
The yearly interest charged on this loan is the annual interest rate multiplied by the amount borrowed:
interest = annual interest rate x loan amount
i = (\( \frac{6}{100} \)) x $1,000
i = 0.02 x $1,000
No payments were made so the total amount due is the original amount + the accumulated interest:
total = $1,000 + $20