Mahmut S. answered • 07/16/21

Fun Algebra 2 tutor

After 20 years your total cost for Freezadir is 1300+90*20

After 20 years your total cost for Whirldoo is 1700+75*20

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After 30 years your total cost for Freezadir is 1300+90*30

After 30 years your total cost for Whirldoo is 1700+75*30

compare the costs, the cheaper you should buy