Answer:
88.8%
Step-by-step explanation:
1.) 30-18= 12 which is the number of member that had an average of 84
2.)Then multiply 12 times 84 = 1008
3.) You multiply 18 by 92 which equals 1656
4.)Add 1008 and 1656 together and get 2664.
5.)Divide 2664 / 30 and you get the average of 88.8
Hope this helps :)
plz brainly & like
Here is your answer:
1 1/2 = 3/2
7 × 3 = 21
8 × 2 = 16
Divided to equal 
<--- Real answer:
The reason why she multiplied her answer wrong, she also "kept her original numerator and denominator."
Hope this helps!
False when you multiply numbers you add the exponents.
20+2N=52
now subtract 20 from each side, to get 2N alone
2N=32
now divide each side by 2
N=16
