ANSWERS:
(1) 64.66, 1648.12
(2) 691.9, 76.3
(3) 54, 69
Everyone uses percent (2) but how many really understand what they are talking about? You
have seen percent used in many things. The interest paid by banks is in percent. Taxes are determined
as a percent of certain other figures, and the clothing you are now wearing is probably 85% cotton and
152 wool.
Meaning of Percent
If a class has 100 men in it and 5 men get promoted to PFC, we say that 5X of the class got
promoted.
Percent means "per hundred."
The symbol that is used for percent is Z. It is used just as the symbol $ is for dollars.
To convert a decimal to a percent, we move the decimal point two places to the right. Then add
the X sign.
1. To convert .89 to a percent, we move the decimal point
places
to the
and add the
sign.
.89
89.
(first move decimal) - 89% (then add percent sign)
2. Example: Convert .455 to a percent
Move the decimal point
places to the right
(do it)
.455
and add the % sign.
.455 =
36