Respuesta :

Answer is 1.2

Step by step

2.5 of (multiply) x (unknown) is (=) 3

2.5 x = 3

Divide both sides by 2.5 to solve

2.5 / 2.5 x = 3/ 2.5

X = 1.2

Check your work, sub 1.2 in for x

(2.5) (1.2) = 3

3 = 3

Problem solved!!