designs are cut into then sheets of colorful paper to make people PICADOS it cost $15 for tools and seven dollars for paper. Jina needs to make banners of Papel PICADOS she sells 30 banners for three dollars each. Use the equation to find M the amount of money. Jina earns after paying her supplies.
(40 x 3) - (15 + 7) = M
(30 x 3) - (15 + 7) = M
90 - 22 = M
M = 68
Therefore, Jina earns $68 after paying her supplies.