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