The school principal bought as many packages of pencils as he could with $86.52. Each package of pencils costs $15 including taxes. How many complete packages of pencils did the principal buy?

Can some one me with these questions

Solve each quadratic equation by factoring and using the zero product property. 10x + 6 = -2x^2 -2

Fatima plans to spend at least $15 and at most $20 dollars on sketch pads and pencils. if she buys 2 sketchpads, how many pemcils can she buy while staying in her price range? fatima can buy between and pencils. ? (type whole numbers. use ascending? order.)