Question

Correct answers only please!

Answer 1

a) 6.67 in.

Explanation:

The aspect ratio of chalkboard =4:3 [length:width=4:3]

The width = 5 in.

the length = L

so,

4:3=L:5

⇒4/3 = L/5

⇒(4 x 5)/3= L

⇒20/3 = L

⇒ 6.67 = L

∴ The length of the chalkboard 6.67 in.

Answer 2

a) 6.67 in.

Explanation:

The aspect ratio of chalkboard =4:3 [length:width=4:3]

The width = 5 in.

the length = L

so,

4:3=L:5

⇒4/3 = L/5

⇒(4 x 5)/3= L

⇒20/3 = L

⇒ 6.67 = L

∴ The length of the chalkboard 6.67 in.