Trip

On the trip drank 3/10 of pupils tea, 2/5 cola, 1/4 mineral water, and the remaining three juice. How many students were on the trip?

Final Answer:

n =  60

Step-by-step explanation:

103n+52n+41n+3=n  3/10 n+2/5 n+1/4 n+3=n  n=60



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