Problem 1. Black Van, bound for Baler, leaves Casiguran every 15 minutes wh leaves every 20 minutes. _ 1. How often do the two vans leave Casiguran at the same time? a. every 30 minutes C. every 1 hour b. every 40 minutes d. every 2 hours 2 2. How many times will the Black Van leave Casiguran so that the two van a. 2 times b. 3 times C. 4 times d. 5 tim 3. How many times will the White Van leave Casiguran so that the two va a. 2 times b. 3 times C. 4 times d. 5 ti Problem 2: Alice sews face masks with different colors in her dress shop.​