Question

(ii) 0.5 y + 0.2 y = 0.3 y + 2
138​

Answer 1

Step-by-step explanation:

0.5y+0.2y=0.3y+2138

0.7y=0.3y+2138

0.7y-0.3y=2138

0.4y=2138

y=2138*10/4

y=5345

Answer 2

Step-by-step explanation:

0.5y + 0.2y = 0.3y +2

0.5y + 0.2y - 0.3y = 2

0.7y - 0.3y = 2

0.4y = 2

y = 4/2

y = 2