Question

уравнения 3600 / 40 / x = 45,(с - 570) * 16 = 480,k * 50 =900,240 * 4 / y = 320

Answer 1

$3600 : 40 : x = 45\ 90:x=45\ x=2$

 

 

 

$(c - 570) * 16 = 480\ 16c-9120=480\16c=480+9120\16c=9600\c=600$

 

 

 

$k * 50 =900\ k=900:50\k=18$

 

 

 

$240 * 4 : y = 320\960:y=320\y=960:320\y=3$