Based on ur graph, in a class of 90 students (20 rock, 40 hip hop, and 30 country...added = 90) , 30 chose country....30/90 reduces to 1/3.....so 1/3 chose country.
In a class of 450 students......1/3 * 450 = 450/3 = 150 chose country
Hope this helps!
Answer:
3m + 13 = 31 I hope this helps you!
Answer is 2 because it’s true
A) 3. 50+15+15+15= 95.
b) 4. 25+25+25+25= 100.
c) 7. 50+15+15+15+15+15+15+15= 155.
d) 6. 25+25+25+25+25+25= 150.
