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Posted by **kim** on Monday, July 11, 2011 at 3:47pm.

How many radios of each type can be constructed if the total number of transistors (P's, Q's and R's) available are 2200, 3400 and 1400 respectively and all transistors must be used?

- math -
**bobpursley**, Monday, July 11, 2011 at 4:55pmP equation:

2D+2S+E=2200

Q equation:

7D+3S+2E=3400

R equation:

D+S+2E=1400

solving

I get Deluxe radios: zero

Standard radios:1000

Economy: 200

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