A class of 30 swim team members took a lifesaving test. Eighteen of the members had an average score of 92. The remaining member

Question

Ierofanga [76]

3 years ago

5

A class of 30 swim team members took a lifesaving test. Eighteen of the members had an average score of 92. The remaining member

s had an average score of 84. What was the average for the entire swim team?

Mathematics

2 answers:

m_a_m_a [10] · Answer 1 · 2022-01-18T11:36:43+03:00

m_a_m_a [10]3 years ago

6 0

The average is 88.8%

Amiraneli [1.4K] · Answer 2 · 2022-01-18T10:24:00+03:00

The answer is 88.8% how i got it is by:

30-18= 12 which is the number of member that had an average of 84
then multiply 12 times 84 = 1008 (keep this number)

last you multiply 18 by 92 which equals 1656

add 1008 and 1656 together and get 2664.

divide 2664 / 30 and you get the average of 88.8