| Your Results | Global Average | |
|---|---|---|
| Questions | 5 | 5 |
| Correct | 0 | 3.61 |
| Score | 0% | 72% |
A tiger in a zoo has consumed 96 pounds of food in 8 days. If the tiger continues to eat at the same rate, in how many more days will its total food consumtion be 156 pounds?
| 9 | |
| 8 | |
| 6 | |
| 5 |
If the tiger has consumed 96 pounds of food in 8 days that's \( \frac{96}{8} \) = 12 pounds of food per day. The tiger needs to consume 156 - 96 = 60 more pounds of food to reach 156 pounds total. At 12 pounds of food per day that's \( \frac{60}{12} \) = 5 more days.
Alex loaned Roger $900 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?
| $55 | |
| $104 | |
| $36 | |
| $56 |
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 $900
i = 0.04 x $900
i = $36
Which of the following is a mixed number?
\(1 {2 \over 5} \) |
|
\({a \over 5} \) |
|
\({5 \over 7} \) |
|
\({7 \over 5} \) |
A rational number (or fraction) is represented as a ratio between two integers, a and b, and has the form \({a \over b}\) where a is the numerator and b is the denominator. An improper fraction (\({5 \over 3} \)) has a numerator with a greater absolute value than the denominator and can be converted into a mixed number (\(1 {2 \over 3} \)) which has a whole number part and a fractional part.
4! = ?
3 x 2 x 1 |
|
4 x 3 x 2 x 1 |
|
5 x 4 x 3 x 2 x 1 |
|
4 x 3 |
A factorial has the form n! and is the product of the integer (n) and all the positive integers below it. For example, 5! = 5 x 4 x 3 x 2 x 1 = 120.
A bread recipe calls for 3\(\frac{1}{4}\) cups of flour. If you only have 1\(\frac{5}{8}\) cups, how much more flour is needed?
| 1\(\frac{5}{8}\) cups | |
| 2 cups | |
| 1\(\frac{7}{8}\) cups | |
| 1\(\frac{1}{4}\) cups |
The amount of flour you need is (3\(\frac{1}{4}\) - 1\(\frac{5}{8}\)) cups. Rewrite the quantities so they share a common denominator and subtract:
(\( \frac{26}{8} \) - \( \frac{13}{8} \)) cups
\( \frac{13}{8} \) cups
1\(\frac{5}{8}\) cups