Mallika has Rs 330 in the form of Rs 10 and Rs 50 currency notes as her pocket money. If the number of Rs 10 notes exceeds the number of Rs 50 notes by 3, how many notes of each denomination does Mallika have?
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Define x:
Let the number of Rs 50 notes = x
The number of Rs 10 notes = x + 3
Solve x:
50x + 10(x + 3) = 330
50x + 10x + 30 = 330
60x + 30 = 330
60x = 300
x = 5
Find the number of notes each:
Rs 50 = x = 5
Rs 10 = x + 3 = 5 + 3 = 8
Answer: There are 5 Rs 50 notes and 8 Rs 10 notes
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