write a division problem with 1/4 as the dividend and 3 as the divisor then, find the quotient. How do i solve this?

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 (%)

Explain why the factor 1.5 is broke. into two numbers in the model.

Factor the expression using gcf 9b+45