The weather report stated that the rainfall total on each of the first three days of the month was 0.68 inch, 1/2 inch, and 3/4 inch. How much rain, to the nearest hundredth fell during those three days?

Graph red beads cost $1 an ounce and gold beads cost $3 an ounce. juanita wants to purchase a 12-ounce mixture of red and gold beads that she can sell for $2 an ounce. the solution of the system shows the number of beads needed for juanita to break even. x + y = 12, x + 3y = 24 how many ounces of red beads will juanita buy to break even? how many ounces of gold beads will she buy?

Julius sold five times as many computers as sam sold last year. in total, they sold 78 computers. how many computers did julius sell?

The volume of gas a balloon can hold varies directly as the cube of its radius. imagine a balloon with a radius of 3 inches can hold 81 cubic inches of gas. how many cubic inches of gas must be released to reduce the radius down to 2 inches?