Answer:
= 18
Step-by-step explanation:
= 
Cross multiply
5 * c = 30 * 3
5c = 90
Divide both sides by 5
c = 90/5
c = 18
Answer:
3.1 3.25 3.33 3.4
Step-by-step explanation:
She has 80% because 6000 is 20% of 30000 and if she has to spend that amount you have to take away that