Solve:Mr sharma has rupees 1500 in 50 rupee note and 100 rupee note. in all he had 13 notes.find the number of 50 rupee notes and 100 rupee note
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Answer:
let the number of 50 rupee coin be x.
and the number of 100 rupee coin be y.
Step-by-step explanation:
so,according to the first condition
50x+100y=1500
x+2y=30----equation1.
again,x+y=13----equation2.
1-2=x+2y=30
x+y=13
(-)(-)=(-)
------------
y=17
now,1x17=x+2x17=30
=x+34=30
=x=30-34=4.
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