Question

A rectangle display board is measuring 8 m by 6 m. Robert wants to add a ribbon border around the display board. What is the length of ribbon that he will need? If the cost of the ribbon is $ 15 per metre then how much money does Robert needs to buy the ribbon? *

Answer 1

Answer:

$420

Step-by-step explanation:

perimeter of the board = (8+6) x 2 = 28m

cost of ribbon per m = $15

cost of ribbon for 28 m = 28 x 15 = $420