SAT Math Multiple Choice Practice Question 331: Answer and Explanation
1. CLEANING COSTS IN THE McKENZIE OFFICE BUILDING
According to the table above, how much will it cost, in dollars, to clean each bathroom twice and each office once in the McKenzie Office Building?
Correct Answer: E
E The ten bathrooms cost $20 each to clean:
To clean each bathroom twice would cost:
There are 30 offices, and they cost $15 each to clean:
To clean each office once and each bathroom twice will cost: