The answer is 5/6, 4/5, and 3/12. All you needed to do was change the fraction into decimals.
Answer:
8
Step-by-step explanation:
mean of A=28+23+30+25+27/5 = 26.6
average of B=22+19+15+17+20/5 = 18.6
now,
difference= 26.6-18.6
=8,,
x = 90 - 28
x = 62°
The answer is choice B.
