Answer: 385
Step-by-step explanation:
Mean the three groups of 10 kids=35
Total weight of 3 groups (10x35)=350
Mean weight of 3 groups and one boy ( 35 + 350)=385
I believe the answer is B.) 9and27/32
Best of luck.
I can not see the trapezoid
For the lateral area, don't include the base area. For the surface area, you should include it.
