# Chapter 6 - Percent - 6.6 Solving Application Problems with Percent - 6.6 Exercises - Page 440: 30

Total cost for the feeders and weather centers is $214.37. #### Work Step by Step Total cost includes the price of the feeder multiplied by 5 plus the price of the weather center multiplied by 6, sales tax on that amount at a rate of 5%, and the cost of shipping based on the cost of the feeders and weather centers.$c=(19.99\times5)+(14.99\times6)=99.95+89.94=189.89t=189.89\times0.05=9.49$Shipping is 14.99 for goods costing over 100.00.$tc=189.89+9.49+14.99=214.37.\$

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