Question

0.5x + 0.2y = 5;
0.6x + 0.4y = 8.4

Answer 1

Answer:

x=4 and y = 15

Step-by-step explanation:

multiply 1st equation by 2

x + 0.4y =10

so by elemination method

0.4x=1.6

so, x=4 and y = 15