I think it’s b the second one
Answer:
C - 13*
Step-by-step explanation:
Answer: -2/3
-1/15 + (-3/5)
-1/15 - 3/5
-3/5 = -9/15
-1/15 - 9/15
-10/15
-2/3
Answer: C. 14
3 people weigh between 150-159
4 people wiegh between 160-169
7 people wiegh between 170-179