Answer: Range between he can expect to spend after the rebate is in between $115 and $240.
Explanation:
Since we have given that
Amount a store is offering in rebate = $45
Range in price of different color printers is given by
$160 to $285.
If Price of color printers = $160
Amount he can expect after the rebate is given by

Similarly, if price of color printers = $285
Amount he can expect after the rebate is given by

So, Range between he can expect to spend after the rebate is in between $115 and $240.