Does anyone mind helping?

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?

What is the value of y? round to the nearest tenth

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.