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Jana is making greeting cards that are 4 inches long and 3.5 inches wide to sell at a craft fair. She decorates each card by putting a strip of red ribbon along the border all the way around the card.

2 Answers

1 vote

15 inches of ribbon is needed.

Explanation:

To find how much ribbon is needed to go around the edge of the card, find the perimeter. The perimeter is the length around the card.

Perimeter is found by P = 2l + 2w where w=3.5 and l=4.

P = 2(4) + 2(3.5)

P = 8 + 7

P = 15 inches

15 inches of ribbon is needed.

User Mohamed Amin
by
4.9k points
2 votes

Answer:

15 inches of ribbon is needed.

Explanation:

To find how much ribbon is needed to go around the edge of the card, find the perimeter. The perimeter is the length around the card.

Perimeter is found by P = 2l + 2w where w=3.5 and l=4.

P = 2(4) + 2(3.5)

P = 8 + 7

P = 15 inches

15 inches of ribbon is needed.

User Napster Scofield
by
5.3k points