Need help on this please

Two blends of tea are mixed to make a blend that will be sold at the fair. black tea sells for $2.20 per pound and orange pekoe tea sells for $3.00 per pound. how much of each should be used to obtain a 4lb blend selling for $2.50 per pound?

20 only answer if 100% sure most high school-aged teens are very active. a. true b. false

The surface area of the triangular prism is .