Question

4,2:х=2 1/3: 3 1/8 используй свойство пропорций

Answer 1

4,2•3 1/8=x•2 1/3
21/5•25/8=x•7/3
x•7/3=105/8
X=105/8:7/3
x=105/8•3/7
x=5 5/8