If 6 oil tankers can be filled by a pipe in 9/2 hours , how long does the pipe take to fill 4 such oil tankers?
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OIL TANKERS. HOURS
6. 9/2=4.5
4. x
6x= 4.5*4
x=4.5*4/6
x =3
therefore it will take 3hours
6. 9/2=4.5
4. x
6x= 4.5*4
x=4.5*4/6
x =3
therefore it will take 3hours
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