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11Alexandr11 [23.1K]
3 years ago
12

A student needs to collect exactly 20 insects for a science project. The student has already collected 13 insects. Write an equa

tion that can be used to find n, the number of insects the student still needs.
A. 13n = 20
B. n - 13 = 20
C. n + 13 = 20
D. 20 + 13 = n
Mathematics
1 answer:
sergeinik [125]3 years ago
8 0

Answer:

The answer is c: N + 13 = 20

Step-by-step explanation:

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Answer:

Half\ of\ the\ recipe\ requires\ \frac{5}{12}\ of\ a\ cup\ of\ sugar.

Step-by-step explanation:

As given

A\ recipe\ requires\ \frac{5}{6}\ of\ a\ cup\ of\ sugar.

i.e

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\frac{5\times 1}{6\times 2}\ cup\ of\ sugar = \frac{1}{2}\ recipe

solving the above

\frac{5}{12}\ cup\ of\ sugar = \frac{1}{2}\ recipe

Therefore\ half\ of\ the\ recipe\ requires\ \frac{5}{12}\ of\ a\ cup\ of\ sugar.



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