Two step equations −10 = 10(k − 9) solve

Part a : solve -vp + 40 < 65 for v part b : solve 7w - 3r = 15 for r show your work .

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%.

Which is the solution to the inequality? 2 3/52 1/15 b< 3 2/15 b> 3 2/15