Light bulbs usually cost $2. They are 0.50 of the regular price. What is the sale price? Is this a better price than if the sale were 0.35 of the regular price?
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Usual (Original / Regular) Price = $2
Sale Price = 0.50 of Original Price
Sale Price = 0.5 × 2
=> Sale Price = $1
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If the Sale were 0.35 of Original Price, then
Sale Price = 0.35 × $2
=> Sale Price = $0.7
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This means that it not a better price than if the sale was 0.35 of regular price.
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_____________________________
Usual (Original / Regular) Price = $2
Sale Price = 0.50 of Original Price
Sale Price = 0.5 × 2
=> Sale Price = $1
_______________________________
If the Sale were 0.35 of Original Price, then
Sale Price = 0.35 × $2
=> Sale Price = $0.7
_______________________________
This means that it not a better price than if the sale was 0.35 of regular price.
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