Algebra

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If a computer costs an electronics dealer \$300, and she sells them for \$800, what is her rate of profit based on the selling price?

I know the answer is 62.5% but could someone show me how to get this answer , thanks

• Algebra -

proftt rate (as a fraction of selling price) = (800-300)/800)

= 5/8 = 62.5%

• Algebra -

Mitsuko salary for next year is \$44,940. This represents a 7% increase over this year's salary. Find mitsuko present salary

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