Answer:
the first one is 7 the second one is 3 and the third one is 5 ///// sorry I only know these answers , hope that help!!
Explanation:
The first line has Anna at 6 and Sara at 1.
The difference is 6-1 = 5
Keeping the same difference add or subtract 5 from the given numbers to fill in the blanks.
See attached picture:
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