Question

Jenifer had 170 currency notes, in which some are of $ 100 and the
remaining of $ 50. The total values of all these currency notes is $ 10000.
The total sum of amount of the currency notes $ 50 is.​

Answer 1

Answer:

Let the number of Rs.50 notes = x.

and the number of Rs.100 notes = (170−x)(170−x)

According to the question,

50x+100(170−x)=1000050x+100(170−x)=10000

=> x+2{170−x}=200x+2{170−x}=200

=> x+340−2x=200x+340−2x=200

=> −x=200−340=−140−x=200−340=−140

=> x = 140

Therefore, Required amout = Rs.50×140Rs.50×140 = Rs.7000

Step-by-step explanation:

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