Six football players, all defensive linemen, decide that they'll gain an average of 10 pounds over the summer. at the start of the season, only five showed up for the weigh-in. they had gained 9, 13, 11, 6, and 7 pounds. how many pounds does the last person have to gain so that the group can attain its goal?

a. 12 pounds
b. 14 pounds
c. 13 pounds
d. 14. 5 pounds

b. 14 pounds

Step-by-step explanation:

Formula to calculate average :

Let x denotes the number of pounds the last person have to gain so that the group can attain its goal.

Required average = 10  pounds

Observations = 9, 13, 11, 6, 7 and x (pounds)

Number of observations= 6

Sum of all observations = 9+13+ 11+ 6+7+x=46+x

According to the question , we have

i..e the last person has to gain 14 pounds so that the group can attain its goal.

Hence, the correct answer is b. 14 pounds .

answer: i believe its b. if you sound out the sentences that sounds wrong.

13

step-by-step explanation:

divide the cost of the total of sodas you bought by the cost of one soda, for example:

$24.57 divided by $1.89 is 13 which means you bought 13 sodas