Anthony, William, Christopher and Mathew are sharing 4 hats: red, green blue and gold. If Anthony doesn't wear red, william does
1 answer:
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Let's see
- b1 and b2 are markets
r_1 and r2 are costs per pound
So
- It's r_1 is the cost of 1/2 pound rice at market one and r_2 is at market 2
Option J