Solve for x, check the image below
2 answers:
You might be interested in
Answer:
i. Girls : 10 merits
ii. Boys : 11.4 merits
iii. The boys did better on average because the number of their mean merits received is higher than that girls.
Step-by-step explanation:
Mean =
Sum of merits received by boys = 5 + 10 + 19 + 22 + 13 + 10 + 1
= 80
number of merits = 7
Mean number of merits received by boys =
= 11.4286
The mean number of merits received by boys is 11.4
Sum of merits received by girls = 6 + 11 + 15 + 16 + 12 + 10 + 0
= 70
number of merits = 7
Mean number of merits received by girls =
= 10.0
The mean number of merits received by girls is 10.0
Therefore,
i. Girls : 10 merits
ii. Boys : 11.4 merits
iii. The boys did better on average because their mean merits is higher than that girls.
Answer: The last member has to finish <u><em>11 more laps</em></u> to complete <u><em>50 total laps</em></u>
Step-by-step explanation:
of 50 = 20
2nd swimmer 8
22% of 50 =<u> + 11 </u>
39 laps
---------------------------------------------
50 - 39 =<em><u> 11 laps </u></em><em> (4th and last swimmer)</em>
<em>---------------------------------------------</em>
<em>P.S. I think this answer is late now </em>