SAT/ACT Math Practice-Distance, Age, Work, Averages
1. Frank can build a model airplane in 3 days, Jo can do it in 2, but Moe can only do it in 5 days. If they work together, they’ll build a model plane in how many days? 2. Suppose Airplane A travels North at 12 mph and Airplane B travels West at 9 mph. How[…]