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?

12.76+3.45+6.52=22.73

22.73 rounded is about 23 miles.

Ayala biked approximately 23 miles in total

Step-by-step explanation:

Great question, it is always good to ask away and get rid of any doubts that you may be having.

To solve this question we need to calculate the total amount of miles that Ayala biked. To do this we need to add the amount of miles she biked on each day. Like so,

As we can see in the calculation above, Ayala biked 22.75 miles but the question now asks us to round to the nearest whole number. Since the first digit to the right of the decimal is a 7 then we need to round up.

Therefore, Ayala biked approximately 23 miles in total.

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step-by-step explanation: