Question 218928
Let  p  =  cost  of  one  pillow
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Total  cost  = 4*p + (4p*.05) = $ 46.20
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4p + .2p = 46.20
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4.2 p =46.20
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p= $11,,,,,answer
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alternate  solution,,,1.05 *4p = 46.20
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p= $ 11
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note  increases  in cost, like  tip  or  taxes, use  1+ increase
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for  decreases  in  cost, like  discounts,  use  1- decrease
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check...46.20/44 = 1.05,,,or  5%  increase,,,ok
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