First you start with the inner most parenthesis , 3+1 = 4, Then you do 12 / 4 = 3
now you're left with 3 - 1, You can finish that I hope
I think its 130 Liters
bcz idk if I do this right
1000=1 Liter
Thx from the website http://goodcalculators.com/ratio-calculator/
Answer:
D. -3z+2
Step-by-step explanation:
Steps:
Remove parentheses: (a) = a
= 5z+9-(8z+7)
....
Simplify
5z+9-8z-7: -3z+2