Deepak has an equal number of 10 rupee notes, 5 rupee notes and 1 rupee notes. All the notes put together are worth Rs 80. How many notes does he have in total?
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let number of each note be x
then total notes are = 3x
value of 10 rs notes = 10x
value of 5 rs notes = 5x
value of 1 rs notes = x
total value = 10x + 5x + x
16x = 80
x = 5
so total notes = 3x
= 3 × 5 = 15
then total notes are = 3x
value of 10 rs notes = 10x
value of 5 rs notes = 5x
value of 1 rs notes = x
total value = 10x + 5x + x
16x = 80
x = 5
so total notes = 3x
= 3 × 5 = 15
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