SOLUTION: a total of 60 drawing notebooks were sold. if 20 percent of the first 20 sold were in color, 40 percent of the next 30 sold were color, and 80 percent of the last 10 sold were in c
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-> SOLUTION: a total of 60 drawing notebooks were sold. if 20 percent of the first 20 sold were in color, 40 percent of the next 30 sold were color, and 80 percent of the last 10 sold were in c
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Question 1026677: a total of 60 drawing notebooks were sold. if 20 percent of the first 20 sold were in color, 40 percent of the next 30 sold were color, and 80 percent of the last 10 sold were in color, what percent of the 60 note books were in color? Answer by macston(5194) (Show Source):
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20 percent of first 20=(0.20)(20)=4
.
40 percent of next 30=(0.40)(30)=12
.
80 percent of last 10=(0.80)(10)=8
.
Total color notebooks=4+12+8=24
.
Percent in color=(24/60)(100%)=40%
.
