Answer:
Option (A)
Step-by-step explanation:
From the table attached,
Savings of Kevin in 2 weeks = 92 - 46 = $46
Therefore, per week savings of Kevin = = $23
Since, y = 26x represents the amount saved by Christy.
x = Number of weeks
y = Amount saved
For x = 1 week
Amount saved by Christy in one week = $26
Difference in amounts saved by Christy and Kevin = 26 - 23 = $3
Therefore, Christy saved $3 per week more than Kevin.
Option (A) will be the correct option.
The average is pretty simple to find. Add up all the numbers, then divide by how many numbers there are. In other words it is the sum divided by the count.
The answer to this specific question can be modeled as . After simplifying everything, you would get x
77, so Justin has to get at least a 77 to get a 75 average.