52 Step-by-step explanation:
Answer:
Angela was at work for 15 hrs.
-45/2
Step-by-step explanation:
67 1/2 * (-1/3)
67 1/2 = 135/2
So 135/2*1/3=45/2
45/2*-1=-45/2
Given 99 Cal used in 1 mile run in 11 minute so (99/11)x2x60