John and ralph both bought the same style bike from a store. on wednesday, john purchased the bike at a 20% discount off the original price. on friday, ralph bought the bike for off the originial price.

James adds two numbers a + b. sally adds the same two numbers but reverse the order b + a what property of addition assures us that james and sally will get the same sum

The distributive property allows you to say that 3(x − 1) = 3x −

Acompany that manufactures and sells guitars made changes in their product range. from the start they had 20 models. then they reduced the number of models to 15. as a result, the company enjoyed a 10% increase in turnover. - how much did the stock level change? in (%)