Answer:
x=21/5
Step-by-step explanation:
5x:9 = 7:3
Turn the ratios into fractions:
5x/9 = 7/3
Then cross mutiply
15x=63
x=21/5
Answer:

Step-by-step explanation:
Isolate the variable by dividing each side by factors that don't contain the variable.
The answer should be D.
Hope it helped you.
Answer:
x (is greater than or equal to) 4
Step-by-step explanation:
i hope this helps :)