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PLEASE ANSWER!!!!!!!!!!!!!!!!!!

PLEASE ANSWER!!!!!!!!!!!!!!!!!!-example-1
User Mdml
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1 Answer

3 votes
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
User Egig
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