Answer:
$0.41 per meter.
Step-by-step explanation:
The unit price of the paper roll can be calculated by dividing the total cost by the total length of the roll.Here's the calculation:Total cost of the paper roll = $1.64 Length of the paper roll = 4 metersUnit price = Total cost / Length of the roll Unit price = $1.64 / 4 metersNow, let's do the math:Unit price = $0.41 per meterSo, the unit price of the white paper roll is $0.41 per meter.