Question

2 suprea 5= x+2 supra 15= 10 supra 3y+1 , afla X si Y . D-au coronita , noroc!!

Answer 1

2/5 = (X+2)/15 = 10/(3Y+1)
5(X+2) = 15×2
5X + 10 = 30
5X = 30-10
5X = 20 |:5
X = 4

6/15 = 10/(3Y+1)
6(3Y+1) = 10×15
18Y + 6 = 150
18Y = 150-6
18Y = 144
Y = 144:18
Y = 8