The best estimate for Ian's total score in June is:
B. 2,100 points
What is a good estimate of what his total score was for the month of June?
We know Ian's daily score range: He scored between 68 and 76 every day.
To estimate the total, take an average:
Calculate the middle point between his minimum (68) and maximum (76) scores. This gives us an average daily score of (68 + 76) / 2 = 72.
Multiply the average by the number of days: June has 30 days, so multiply the average score by 30: 72 points/day * 30 days = 2,160 points.
Round to a reasonable estimate: Rounding to the nearest hundred gives us 2,100 points as a good estimate of his total score.
Therefore, option B. 2,100 points, is the most reasonable estimate for Ian's total score in June.