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Use standard form in context
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SAT Prep
M032 Use standard form in context
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A seating plan uses 7x + 21y = 630, where x is the number of single-seat desks and y is the number of three-seat tables. Which statement compares the maximum counts correctly?
A
The maximum number of desks is one-third the maximum number of tables because each desk uses fewer seats
B
The maximum number of tables is three times the maximum number of desks because 21 is larger than 7
C
The maximum number of tables is one-third the maximum number of desks because each table uses three times as many seats
D
The maximum counts are equal because the total seats are the same
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