One-third of a number is 12.

Work out one-half of the number.

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?

The table above shows approximate conversions from gallons to liters. what is the value of x?

How much orange juice do you need to make 2 servings of lemony orange slush?