Environmental Engineering Reference
In-Depth Information
Solution:
1lb
65 gal
lb
150 gal
x
=
65 gal
×=×
x
1 150
1 150
65
x = 2.3 lb
×
x
=
Example 9.5
Problem : It takes 5 workers 50 hours to complete a job. At the same rate, how many
hours would it take 8 workers to complete the job?
Solution:
5workers
8workers
hr
50 hr
x
=
5508
550
8
31.3 hr = x
×=×
×
x
=
x
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