Ayala biked 12.76 miles on Sunday, 3.45 miles on Monday, and 6.52 miles on Tuesday. Over those three days, about how many miles did she bike in all? Estimate the answer by rounding to the nearest whole number.
Answer
A
21 miles
B
22.73 miles
C
22.9 miles
D
23 miles
Explanation
Add the three distances: 12.76 + 3.45 + 6.52 = 22.73 miles. Since 0.73 is at least 0.5, round 22.73 up to 23 miles. The correct choice is 23 miles.
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