The answer is "Design B bulbs will likely last longer than design A bulbs."
The box in a box plot represents the middle 50% of the data. The box for the design B bulbs is farther out than the box for the design A bulbs. Therefore, design B bulbs last longer on average than design A bulbs.
Smaller number=x
larger number=2x+4
x+2x+4=70
3x+4=70
3x=66
x=22
Smaller number=22
Answer: y= 4/3x
Explanation: the table is going up by 4/3
