Question

I asked this question before but no one helped me. does anyone know?

Answer 1

Using similar triangles,

2 / 3 = 2.4 / x

Cross- multiply, we have:

2 x X = 2. 4 X 3

2 X = 7.2

Divide both sides by 2

X = 7.2/ 2

X = 3. 6