Question

An office table contains a few large, medium and small envelopes. the number of large envelopes is 3 plus 50% of the number of medium envelopes. the number of small envelopes is 3 times, 20% of the number of large envelopes. there are a total of 66 envelopes on the table . how many small, medium and large envelopes are there on the table?

Answer 1

No. Of small envelopes =12
No. Of medium envelopes = 34
No. Of large envelopes = (6+34)/2 = 20
Full solution in the picture.
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