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.
21 miles
22.73 miles
22.9 miles
23 miles
To find the estimated answer, we round each number to the nearest whole number and then add them together.
12.76 rounds to 13
3.45 rounds to 3
6.52 rounds to 7
Adding all three rounded numbers together: 13 + 3 + 7 = 23
Therefore, Ayala biked about 23 miles in total over those three days.