Miss. Schmidt bought cupcakes to give to 12 of her friends. Each friend receives 4 cupcakes. How many cupcakes did Miss Schmidt bring to school. Write and solve an equation to find the total number of cupcakes.

Will mark the brainliest. paula makes stained-glass windows and sells them to boutique stores. if her costs total $12,000 per year plus $4 per window for the frame. how many windows must she produce to earn a profit of at least $48,000 in one year if she sells the windows for $28 each?