Ireally need it write an explicit formula for this table: hours: 1 2 3 4 5 tweets: 5 15 75 225 675

The explicit formula would be 

The sequence is geometric, since we are multiplying by a constant each time to get the next term.  The common ratio, r, is 3.  The first term, g₁, is 5.  An explicit formula for a geometric sequence is given by



Using our information, we have 

On monday,mrs.wise bought 3 lbs of apples at $4per lb= 4*3=$12on tuesday ,20%off and she buy 5 lbs of apples = $4-20%=3.20*5lb=$16example: other wise when she buy 5lbs on monday she have to spend 4*5=20