Seudónimo
Seudónimo
30-10-2015
Mathematics
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PLEASE ANSWER!!!!!!!!!!!!!!!!!!
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TSO
TSO
30-10-2015
The person buys a total of 20 frames.
'f' of the frames are size 4 by 6, and cost 5.8
that means 20 - f frames are size 5 by 7, and cost 9.6
And the total is 80.8
So... we get:
5.8f + (20-f)9.6 = 80.8
Answer is B
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