ANSWERS:
decimal
multiply
multiply
In petroleum operations, you must use percentages in figuring inventories of bulk product on
hand. One of these is:
1/2 of 1% = ?
You know that to change 12 to a decimal, you must move the decimal point two places to the
left and drop the % sign.
Step 1: 1% = .01
Now divide .01 in half: .01
2
Step 2:
__._ _5 _ _ _ _
00_
) .010
2
00
10
10
Another common percentage that you will use is:
1/4 of 1% = ?
Step 1: 1% = .
1/4 of .01 = .01
4
___ _ _ _ _ _ _
)
Step 2:
4 .0100
1/4 of 1% = .0025
Solve the following problem:
If a tank holds 2,500 gallons, what is 1/2 of 12 of the total gallons in the tank?
1/2 of 1% = .005
2500
x .005
gallons
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