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24-25) Out of 450 pupils, only 135 joined the campaign on environmental awareness. This is 30% of the entire population. Therefore only 3/100 of the population joined the campaign. Do you agree? _

Why?
Show your solution.




26-27) During a Christmas sale, Joemil bought a watch that costs ₱ 750. Is it true that he will save ₱ 140 if the watch is 20% on sale?

Why?

Defend your answer by showing your solution.