| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.61 |
| Score | 0% | 72% |
What is the distance in miles of a trip that takes 4 hours at an average speed of 35 miles per hour?
| 225 miles | |
| 210 miles | |
| 140 miles | |
| 600 miles |
Average speed in miles per hour is the number of miles traveled divided by the number of hours:
speed = \( \frac{\text{distance}}{\text{time}} \)Solving for distance:
distance = \( \text{speed} \times \text{time} \)
distance = \( 35mph \times 4h \)
140 miles
If a car travels 330 miles in 6 hours, what is the average speed?
| 55 mph | |
| 65 mph | |
| 45 mph | |
| 15 mph |
Average speed in miles per hour is the number of miles traveled divided by the number of hours:
speed = \( \frac{\text{distance}}{\text{time}} \)In a class of 28 students, 13 are taking German and 14 are taking Spanish. Of the students studying German or Spanish, 7 are taking both courses. How many students are not enrolled in either course?
| 8 | |
| 12 | |
| 16 | |
| 19 |
The number of students taking German or Spanish is 13 + 14 = 27. Of that group of 27, 7 are taking both languages so they've been counted twice (once in the German group and once in the Spanish group). Subtracting them out leaves 27 - 7 = 20 who are taking at least one language. 28 - 20 = 8 students who are not taking either language.
If the ratio of home fans to visiting fans in a crowd is 3:1 and all 36,000 seats in a stadium are filled, how many home fans are in attendance?
| 27,000 | |
| 39,167 | |
| 27,200 | |
| 40,000 |
A ratio of 3:1 means that there are 3 home fans for every one visiting fan. So, of every 4 fans, 3 are home fans and \( \frac{3}{4} \) of every fan in the stadium is a home fan:
36,000 fans x \( \frac{3}{4} \) = \( \frac{108000}{4} \) = 27,000 fans.
Frank loaned Damon $1,300 at an annual interest rate of 4%. If no payments are made, what is the interest owed on this loan at the end of the first year?
| $2 | |
| $98 | |
| $52 | |
| $54 |
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 $1,300
i = 0.04 x $1,300
i = $52