Rahul has 20 ,50 and 100 notes in the ratio of 5 ratio 4 ratio 7 the total amount is 10000 find the number of each kinds of notes
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Step-by-step explanation:
ratio is 5:4:7
so ,20 notes is 5x=5x×20=100x
50 notes is 4x=4x×50=200x
100 notes is 7x =7x×100=700x
add all:100x+200x+700x =1000x
therefore,...1000x=10000x
x=10
20 notes=5x =5×10=50
50notes=4x=4×10=40
100 notes=7x=7×10=70
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