4) Greg's mom baked 24 brownies for the bake sale. Vinnie's mom baked 36 brownies. Brad's mom baked twice as many items at Greg and Vinnie's moms combined. How many items did Brad's mom bake?

2-digit numbers less than 91 which are 1 less than a multiple of 10

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%.

You need to solve a system of equations. you decide to use the elimination method. which of these is not allowed? 3x - 2y = 7 3x + 4y = 17 equation 1 equation 2