Apartment a rents for $600 per month and includes heat and electric. apartment b rents for $400 per month but heat and electric are not included. electric averages $40 per month. heat costs for last year totaled $800. which apartment is cheaper?

Appartment B is cheaper. Explanation: we need to compare these two values. A = 600 and B = 400 + cost of heat per month + cost of electricity per month. The cost of heat per year is 800, which gives us a monthly cost of 800/12 = ~$67. So the rent cost for appartment B is 400 + 40 + 67 or 507, which is less than 600.

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