122
286-42=144
144\2=122
122(peter)+164(malco)=286(total weight)
99 would be to more than 89 because 89+10= 99<span />
Answers: a = 49
b = 10
c = 105
780 students prefer chocolate milk.
Step-by-step explanation:
Let,
the total percentage = 100%
Students who prefer plain white milk = 35%
Students who prefer chocolate milk = 100 - 35 = 65%
Number of students = 1200
No. of students who prefer chocolate milk = 65% of total students
No. of students who prefer chocolate milk = 
No. of students who prefer chocolate milk = 
No. of students who prefer chocolate milk = 780
780 students prefer chocolate milk.
Keywords: percentage, subtraction
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Answer:
40%
Step-by-step explanation:
every year the interested be 20%
that's why in 2 years be 40%interest