6 with 2 refills seems like a better buy to me
Use the distributive property.
9/10 (x + 8) = 18
9/10x + 7.2 = 18
9/10x + 7.2 - 7.2 = 18 - 7.2
9/10x = 10.8
9/10x / 9/10 = 10.8 / 9/10
x = 12
4 or more i might be wrong though
Hope this helps and the answer is 0.2
Answer:
.30
Step-by-step explanation:
Tbh i don't know if this is right but i think it is bc .3% is equal to .30% which is equal to .30