Yes this is proportional!
Answer:
x = 3
Step-by-step explanation:
2x + 3 = 9
2(3) + 3 = 9
6 + 3 = 9
Hope this helps!
=)
Just add up how much Luna practiced which is 20+30+20 to get 70 and then add another 30 to get 100. So Elsa practiced for 100 minutes or 1hour 40 minutes.
5.18 is irrational because it cannot be a fraction.
