There were 30 pupils in the computer room. 80% of the pupils were girls. How many girls were there in the computer room?
1 answer:
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Answer : x= -4
This type of problem, you set them equal to each other. And then solve. Don’t forget you can multiply each side by denominator to eliminate the fraction.
Work:
This type of problem, you set them equal to each other. And then solve. Don’t forget you can multiply each side by denominator to eliminate the fraction.
Work: