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A shade of orange paint is made with parts red paint and parts yellow paint.  

  1. What percent of the paint is red?

    Convert the information into a fraction. Remember that the "whole" in this case is the total parts of both red and yellow paint.

    Use a Giant One to change the fraction to an equivalent fraction with a denominator of .

    The numerator is the percentage of red paint.

  2. What is the simplified ratio of yellow to red paint?

    Convert the information into a fraction. But this time the numerator is the parts of yellow paint and the denominator is the parts of red paint.

    Reduce the fraction as much as possible.