SOLUTION: shubhangi has twice as many 20 rupees notes.as she has 50 rupees notes. she has 2700 rupees .how many 50 rupees notes she have?

Question 1095944: shubhangi has twice as many 20 rupees notes.as she has 50 rupees notes. she has 2700 rupees .how many 50 rupees notes she have?
Found 2 solutions by greenestamps, josgarithmetic:
Answer by greenestamps(13200) (Show Source): You can put this solution on YOUR website!

Since she has twice as many 20r notes as 50r notes, think of grouping the notes into groups of one 50r note and two 20r notes. Then each group is 90 rupees.

Since she has a total of 2700 rupees, the number of these groups she has must be 2700/90 = 30.

So all together she has 30 50r notes and 60 20r notes.
Answer by josgarithmetic(39618) (Show Source): You can put this solution on YOUR website!
x, 20 rupee notes
y, 50 rupee notes

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-------- 30 of the fifty rupee notes
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