Write and solve an equation for the situation. Jamal and Keisha went running. Keisha ran 2.4 miles more than Jamal. If Keisha ran 8.5 miles, how many miles did Jamal run?
A. 2.4 + 8.5 = m; m=10.9 miles
B. 2.4 + m = 8.5; m = 6.1 miles
C. 2.4 + m = 8.5; m = 6.9 miles
D. 2.4 + 8.5 = m; m = 11.9 miles
