Question

240÷(y÷15)-27=13 gbzyejrumgd dyk cd​

Answer 1

$240 div (y div 15) - 27 = 13 \ 240 div frac{y}{15} - 27 = 13 \ frac{3600}{y} - 27 = 13 \ frac{3600}{y} = 13 + 27 \ frac{3600}{y} = 40 \ 40y = 3600 \ y = 90$

Answer 2

спасибо большое