Market 1: 3,90/10 = 0.390 $
market 2: 4,44/12= 0,37 $
best price in market 2
Answer: 6 students
What we know:
Students: 24
Students who play checkers: 
Students who also play sudoku:
of the 
24 ÷ 3 = 8, so 8 × 2 = 16 (students who play checkers)
× 2 = 
So the answer is,
6 students play both checkers and sudoku
75/10 is 7.5 as a fraction
Answer:
70
Step-by-step explanation:
2 x (25 + 10) = 2 x 35 = 70
Volume of the first- (15)(8)(8)=960cm cubed
Volume of the second-(20)(8)(8)=1280
Difference=320
320 cm cubed were needed to make the taller candle