Answer:
30 minutes
Step-by-step explanation:
3 pipes takes 60 minutes, so one pipe must take 3*60 minutes as it would be 3 times slower. This equates to 180 minutes.
1 pipe takes 180 minutes so 6 pipes would take 1/6 of the time or 6 times faster.
The equation becomes 180/6
= 30 minutes.
Equation is; 3*60/6 = 30 minutes
This is inverse proportion.
The answer is 30 minutes
If it takes 3 pipes 60 minutes to water the field
The amount of time it will take one pipe can be calculated as follows
t= constant(k) × number of pipes
60= k/3
cross multiply
k = 60×3
= 180
Since it takes one pipe 180 minutes to water the field, then the amount of time it will take 6 pipes can be calculated as follows
= 180/6
= 30
Hence it will take 6 pipes 30 minutes to water the field
It is an inverse proportion because an increase in one quantity leads to a decrease in the other.
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