All the children of a class were asked to choose between the cartoon shows 'Shin Chan' and 'Tom and Jerry'.The ratio of children who selected the cartoon 'Shin Chan' to those who selected the cartoon 'Tom and Jerry', was 3:1.
If 45 kids selected 'Shin Chan', how many students are there in the class totally?
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Answer:
15 students chose Tom and Jerry.
Step-by-step explanation:
3:1 = 45:x.
3 * x = 45 * 1
3 * x = 45
x = 45/3
x = 15
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