Question

If 5 students utilize 18 pencil in 9 days, how long at the same rate will 66 pencils last for 15 students?
Select an answer
A А
10 days
B
12 days
e
11 days
none of these​

Answer 1

Answer:

B. 12 days

Step-by-step explanation:

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Answer 2

Answer:

   11 days

Step-by-step explanation:

• 5 students - 18 pencils -9 days

• 1 student - 18 penicils -45 days (i.e., 9x5)

• 1 student- 1 pencil- (45/18) days

• 1 student- 66 pencils - (45/18) x 66 days'15 students- 66 pencils - (45/18) x (66/15)

• which is equal to 11 days.

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