six bags of baseballs weigh 0.5 kilograms each. The balls are then packed into 10 boxes. What is the total mass of the six bags of baseballs? What is the mass of each box? If each box costs $1.80, how much did the boxes cost altogether?
0.5 * 6 = 3 kg total mass
3/10 = _____ kg
10 * 1.80 = $_____