Question

Помогите решить уравнение y:4=49:7

Answer 1

$\frac{y}{4} = \frac{49}{7} \\ \\ 7y = 49 \times 4 \\ 7y = 196 \\ y = 196 \div 7 \\ y = 28$

Answer 2

y:4=49:7
y:4=7
y=7×4
y=28

28:4=49:7
28:4=7
7=7