Question

6 pairs of socks cost (3x + 11) and 9 pairs of socks cost (5x + 6). Find the value of x...... This is realted to ratio and proportion

Answer 1

Answer:

21

Step-by-step explanation:

5x+6/3x+11=9/6

(5x+6)×2= (3x+11) ×3

10x +12 = 9x +33

10x-9x = 33 - 12

X =21