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antonia is saving for a video game on the first day she saves two dollars in her piggy bank each day after that she doubles the number of dollars she saved on the previous day how many dollars does she save on the sixth day?

Sagot :

She will have $64 saved on the sixth day.
Day 1- $2
Day 2- $2+$2
Day 3- $4+$4
Day 4- $8+$8
Day 5- $16+$16
Day 6- $32+$32 = $64
she has 64 dollars because if you write it out...

Day               1          2            3            4            5            6
Amount $      2 (x2)   4   (x2)   8  (x2)   16   (x2)  32  (x2)  64