Abrick has a length of 2 2/5 cm and a width of 4/5 cm and a height of 1 cm. how many 1/5 cm cubes can fit along the length of the brick

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?

Could somebody me with this radical simplification?

Iam at home. /: i am playing video games. translate the following statement into symbolic form.