12-4×=0 quadratic or not quadratic
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Percentage is a way to describe a part of a whole. The equation can be used to find the regular price of the helmet,h is 0.7(h+85)=74.90.
<h3>What is Percentage?</h3>A percentage is a way to describe a part of a whole. such as the fraction 1/4 can be described as 0.25 which is equal to 25%.
To convert a fraction to a percentage, convert the fraction to decimal form and then multiply by 100 with the '%' symbol.
As we know that all of the items in the bicycle shop are on sale for 30% off, therefore, the cost of each item will be 70% of the real cost. Now, the total amount was spent is $74.90. Thus, if we represent the helmet by h, and bicycle by b, then
Taking 0.7 as the common,
As we know that the regular price of the bicycle(B) is $85, therefore, the equation can be written as,
Hence, the equation can be used to find the regular price of the helmet,h is 0.7(h+85)=74.90.
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