The ratio of 6 to 12, expressed as %:
The ratio of 6 to 12 may be expressed as .5 or 1. To change to %, move the decimal
two places to the right.
This means there are 50 parts to 100.
From a galvanized iron sheet weighing 46 1/4 pounds, an ell and one section
of pipe were produced which weighed 30 pounds. Find the percentage of the scrap.
Proportion is a statement of two ratios which are equal.
Given the proportion:
by cross multiplying: a x d = b x c
If 50 sheets of galvanized iron weigh 2,313 pounds, how much will 39 sheets weigh?
Let W = weight of 39 sheets