Section 2-09
Question:
If 45 kids complete 22 pens in 2 days, how long (in days) at the same rate will 66 pens last for 15 kids?
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For 18 days, 66pens Last for 15 kids if 45 kids complete 22 pens in 2 days
Given:
- 45 kids complete 22 pens in 2 days
To Find:
- For how many days 66pens Last for 15 kids
Solution:
Step 1:
Find Number of kid days to complete 1 pen
22 Pens completed in 45 x 2 kid days
=> 22 pens completed in 90 kid days
=> 1 Pen complete in 90/22 kid days
=> 1 Pen complete in 45/11 kid days
Step 2:
Find Number of kid days required to complete 66 pen
1 Pen complete in 45/11 kid days
66 Pen complete in 66 x 45/11 = 270 kid days
Step 3:
Divide by 15 kids to find number of days
Number of days = 270/15 = 18
For 18 days, 66pens Last for 15 kids
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