Answer:
15
Step-by-step explanation:
40% of 25 is 10, you can find this by multiplying 10 by 2, you get 20 which is now 80% of 25.
Now divide 10 by 2, you get 5. 5 is 20%. Add them all together and you come to a clean 100%.
P.S
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Faker/Tosrel
