Step-by-step explanation:
 |               |                   |
2 | ($25 x 2) = $50 Â | Â ($11 x 2 + 18) = $40 Â | Â Â Profit = $50 - $40 = +$10
 |       ----      |       --------        |          -------
3 | ($25 x 3) = $75 Â | Â ($11 x 3 = 18) = $51 Â Â | Â Â Profit = $75 - $51 = +$24
 |       ----      |       ---------        |          -------
Total Number of toys = 1+2+3 = 6
Total Earnings = $25+$50+$75 = $150
Total Cost = $29+$40+$51 = $120
Total Profit = $150-$120 = +$30 Â Â