Answer:
a = 16
Step-by-step explanation:
24:8 is the ratio
simplify into 3:8
6 ÷ 3 = 2
multiply the ratio by 2 to get a=16
X-3y because 8x+2x-9x is x
A Venn diagram can be represent set of relationship visually
15 inches : 42 feet
630 ft divided by 15 in = 42 feet
(I might be wrong but I hope this helps)
Answer:

The expression above means x can be any number starting from 4 and above .