The ratio of the number of silver watches to the number of gold watches in a shop is 2: 3. which of the following best describes the number of silver and gold watches in the shop?

for every 2 silver watches, there are 3 gold watches.
for every 3 silver watches, there are 2 gold watches.
for every 2 silver watches, there are 5 gold watches.
for every 5 silver watches, there are 3 gold watches.

Solve these problems: 1.what is the perimeter of an equilateral triangle with sides measuring 6cm? 2. a regular pentagon has sides measuring 3.2 cm. what is its perimeter? 3. a regular decagon has sides of 3.5mm . what is it’s perimeter? 4. a regular octagon has a perimeter of 64cm. what is the length of one of the sides? 5. a regular hexagon has a perimeter of 72mm . what is the length of one of the sides? 6. what is the perimeter of a rhombus with sides measuring 11m?