If she cut off nine pieces of 2-inch ribbon, in all, that would be 18. After that, it would simply be the matter of subtracting 24 and 18.
24 - 18 = 6.
And there's your answer. Liz has 6 inches of ribbon left.
Total students = 15+21=36, so the probability of choosing a girl is 21/36, which reduces to 7/12.
Total freshmen = 12+15=27, so the probability of choosing a freshman is 27/36, which reduces to 3/4.
Answer: C)
Step-by-step explanation:
The best approximation to the number of seedlings that are at least 2 inches high in the <u>entire lawn</u> is:
<h3><em>Total</em><em>
Seedlings Calculation</em><em>.</em></h3>
To identify the total number of seedling in the entire lawn, first you must add all the seedling counted by the researchers:
- Counted seedlings = 82 + 87 + 95 + 99 + 102 + 106 + 111 + 115
- <u>Counted seedlings = 697</u>
Now, you must divide 697 in the number of regions taken by the researchers ( in this case were 8), this to obtain the average:
- Average seedlings by region =

- <u>Average seedlings by region = 87.125</u>
Now, how we know, the entire lawn has a length of 8 feet and a width of 8 feet, it means 64 regions of one feet by one feet, by this reason, we multiply the average of seedlings by the whole regions in the lawn:
- Number of seedlings in the lawn = 87.125 * 64
- <u>Number of seedlings in the lawn = 5576</u>
Taking into account the average of seedlings is 5576, the best approximates of seedlings that are at least 2 inches high in the entire lawn is <u>6400</u>.
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