Hannah wants to save $80 for five weeks. In the first week, she saved $4 and she plans to save twice as much as her savings as the previous week. How much will she save in the fifth week to reach her goal?
How much will Hannah save in the second week? ** In the second week, Hannah will save $4 x 2 = $<<4*2=8>>8.
How much will Hannah save in the third week? ** In the third week, she will save $8 x 2 = $<<8*2=16>>16.
How much will Hannah save in the fourth week? ** In the fourth week, she will save $16 x 2 = $<<16*2=32>>32.
How much will Hannah save in a month? ** Her total savings for a month will be $4 + $8 + $16 + $32 = $<<4+8+16+32=60>>60.
How much will Hannah save in the fifth week? ** Hannah needs to save $80 - $60 = $<<80-60=20>>20 in the fifth week.
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