assistant can be filled by One Tap into whole 1 by 2 hours and by another in 3 whole 3 by 4 hour how long will the cistern take to fill if they are opened together
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Answer:
A will fill the tank in 2.5 hours
B will fill the tank in 3.75 hours
A+B opnend together will fill in
1/2.5 + 1/3.75 = 1.488 hours
shortcut Method is
using equation
xy/x+y
2.5*3.75 /(2.5 + 3.75) = 9.375/6.25 = 1.488
hours
Step-by-step explanation:
A will fill the tank in 2.5 hours
B will fill the tank in 3.75 hours
A+B opnend together will fill in
1/2.5 + 1/3.75 = 1.488 hours
shortcut Method is
using equation
xy/x+y
2.5*3.75 /(2.5 + 3.75) = 9.375/6.25 = 1.488
hours
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