Math, asked by arj3, 1 year ago

a nggy tank contained 640 in the notes of lenomention of 10 and 20

Answers

Answered by HappiestWriter012
0
a piggy bank contained 640 rupees in the notes of denomination of 10,20rupees
hope helps
Answered by SARDARshubham
0
Let the number of 10Rs notes be x
And the number of 20Rs notes be y,
Then ;
The linear equation formed will be

10x+20y = 640
x+2y = 64
_________
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