SOLUTION: Happy Greetings company mixes two varieties of cards. Season cards cost Php 6.50 each, and regular cards Php 4.00 each. How many cards of each type should be included in an assortm

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Question 1175078: Happy Greetings company mixes two varieties of cards. Season cards cost Php 6.50 each, and regular cards Php 4.00 each. How many cards of each type should be included in an assortment of 25 cards that cost Php 140.00?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
These are all the same but with different numbers and units.

This one,
e, season cards
r, regular cards
system%286.5e%2B4r=140%2Ce%2Br=25%29
Exact solution method chosen can vary but for this one you could try
system%286.5e%2B4r=140%2C4e%2B4r=100%29

E1-E2
2.5e=40
e=40%2F2.5
highlight%28e=16%29
-
highlight%28r=9%29