Answer:
The answer is A
Step-by-step explanation:
Let
be the weight of i-th player.
1. If the mean weight of 4 backfield members on the football team is 221 lb, then

2. If the mean weight of the 7 other players is 202 lb, then

3. From the previous statements you have that

Add these two equalities and then divide by 11:

Answer: the mean weight of the 11-person team is 
Answer: 14:4
Step-by-step explanation:
The amount of jelly beans: 14
The amount of black jelly beans: 4
all beans: black beans
14:4
150 grams because 5 oz is equal to 141 grams
well from my understanding of the problem and calculations i would say.. (-5.5,0)