Rob is saving to buy a new MP3 player. For every $16 he earns babysitting, he saves $6. On Saturday, Rob earned $32 babysitting.
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Check the picture below.
you can pretty much just count the units off the grid.
the perimeter is the length of all sides summed up.
you can pretty much just count the units off the grid.
the perimeter is the length of all sides summed up.