6. 860 is put in a box in the form of 20 notes and 10 notes. Number of 10 notes are 8 more than notes of 20. How many notes of each kind are there?
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Answer:
Number of Rs.20 notes in the box is 26 and no. of notes of Rs.10 in the box is 34
Step-by-step explanation:
Given:
Amount of money in the box= Rs.860
Let no.of Rs.20 notes in the box be x
It is given that Rs.10 notes are 8 more than Rs.20 notes
∴NO. of Rs.10 notes in the box= x + 8
Amount of money of Rs,20= 20x
Amount of money of Rs.10=(x +8) 10
=10x+80
According to question,
20x +(10x + 80)=860
30x = 860 - 80
x=780/30
x=26
Number of Rs.20 notes in the box is 26
Number of Rs.10 notes in the box is 26 +8=34
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