500 (non smokers)÷ 25(random students out of the group)= 20 inches.
20 inches ÷ 74 inches= 3.70
Answer:
$33 for 11 packs of paper
Answer:
B
Step-by-step explanation:
because 4 and 3 are grouped together you would add them first. this would change the outcome of the problem.
Answer:
9in
Step-by-step explanation:
54 = 1/2(12*x)
54 = 6*x
x = 9
Check
12 x 9 = 108
108/2 = 54
