1. Find the distance Sonya traveled: 20-8=12 12x1000feet=12000feet 2. Find the time it took Sonya to travel this distance: Starting time: 3:10 Finish time: 3:14 Difference= 4min 3. Use the speed formula: S=D/T S=12000feet/4min S=3000feet/min
Let’s make an equation Let’s say x = amount of years after Smith = 8, mother = 42 3(8 + x) = 42 + x 24 + 3x = 42 + x 2x = 18, x = 9 Solution: after 9 years