Mrs. Watson decides to run a half-marathon for charity. A half-marathon is 21.1 kilometers. If one kilometer is approximately eq
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Answer:
6
Step-by-step explanation:
OK because 9 is less than 13 we have to add to nine using the whole number.
9 turns into 8 and 9 turns into 24. (15 makes a whole so we must add 15 to 9)
now we can subtract.
8 - 2
= 6