Theo bought 8 packs of pencils for $4 each and 3 packs of
erasers that were on sale for $2 off their regular price of $5
each. which keys could be entered into the calculator to
determine the total amount he spent?
o c8*4+3*5
o c8*4 +3*3
o c8*4 +3 - 2*5
o c8*4 +3* 2-5