Allison has 6 blue pencils and 10 yellow pencils. sadie has 24 pencils that are either blue or yellow. the ratio of blue pencils to yellow pencils is the same for both allison and sadie. how many blue pencils and yellow pencils does sadie have?

Adepartment store purchases screen-printed t-shirts at a cost of $5 per shirt. they mark up the price 150% (making the selling price 250% of the store's purchase price) and put them on the sales floor. every month that a t-shirt doesn't sell, the store reduces the selling price by 25%.

Twice the sum of a number and 4 is equal to three times the difference of the number and 7. find the number.

Tessa bought stock in a restaurant for $253.00. her stock is now worth $333.96. what is the percentage increase of the value of tessa's stock? a.) 81% b.) 32% c.) 24% d.) 76%