5. During a special sale, Bestbuy will have all video games cost $30 and all
movies cost $10. Luis plans to spend
some or all of his $240 in birthday
money on these movies and video
games. Write an equation that
represents the situation

Achemist has 200 ml of a 10% sucrose solution. she adds x ml of a 40% sucrose solution. the percent concentration, y, of the final mixture is given by the rational function: the chemist needs the concentration of the final mixture to be 30%. how many milliliters of the 40% solution should she add to the 10% solution to get this concentration?

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 (%)

How does reflecting or rotating a figure change the interior angles of the figure?