| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.55 |
| Score | 0% | 71% |
Damon loaned Latoya $300 at an annual interest rate of 9%. If no payments are made, what is the total amount owed at the end of the first year?
| $318 | |
| $303 | |
| $309 | |
| $327 |
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 $300
i = 0.09 x $300
No payments were made so the total amount due is the original amount + the accumulated interest:
total = $300 + $27What is the greatest common factor of 32 and 56?
| 8 | |
| 1 | |
| 29 | |
| 2 |
The factors of 32 are [1, 2, 4, 8, 16, 32] and the factors of 56 are [1, 2, 4, 7, 8, 14, 28, 56]. They share 4 factors [1, 2, 4, 8] making 8 the greatest factor 32 and 56 have in common.
How many 10-passenger vans will it take to drive all 35 members of the football team to an away game?
| 11 vans | |
| 4 vans | |
| 9 vans | |
| 3 vans |
Calculate the number of vans needed by dividing the number of people that need transported by the capacity of one van:
vans = \( \frac{35}{10} \) = 3\(\frac{1}{2}\)
So, it will take 3 full vans and one partially full van to transport the entire team making a total of 4 vans.
What is -2x4 - 4x4?
| 6x-4 | |
| 2x8 | |
| -6x4 | |
| 2x4 |
To add or subtract terms with exponents, both the base and the exponent must be the same. In this case they are so subtract the coefficients and retain the base and exponent:
-2x4 - 4x4
(-2 - 4)x4
-6x4
A sports card collection contains football, baseball, and basketball cards. If the ratio of football to baseball cards is 3 to 2 and the ratio of baseball to basketball cards is 3 to 1, what is the ratio of football to basketball cards?
| 9:2 | |
| 7:8 | |
| 9:4 | |
| 1:6 |
The ratio of football cards to baseball cards is 3:2 and the ratio of baseball cards to basketball cards is 3:1. To solve this problem, we need the baseball card side of each ratio to be equal so we need to rewrite the ratios in terms of a common number of baseball cards. (Think of this like finding the common denominator when adding fractions.) The ratio of football to baseball cards can also be written as 9:6 and the ratio of baseball cards to basketball cards as 6:2. So, the ratio of football cards to basketball cards is football:baseball, baseball:basketball or 9:6, 6:2 which reduces to 9:2.