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5 votes
1. Emma Lee needs a new road bike. The sale price is 10% lower than the original price. The sale price is $450. Write and evaluate an expression for the original price. Uses for sale price and p for original price.​

User ThiagoAM
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1 Answer

5 votes
  • SP=450
  • Discount=10%
  • CP=?

100-10=90%=SP


\\ \sf\longmapsto 90\%* x=450


\\ \sf\longmapsto (90)/(100)x=450


\\ \sf\longmapsto x=450* (100)/(90)


\\ \sf\longmapsto x=5(100)


\\ \sf\longmapsto CP=500

User Webghost
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