Answer:
$16.96
Step-by-step explanation:
Do 3.99 times 2 to get 7.98
And then do 4.49 times 2 to get 8.98
Add the results together to get 16.96
Approximately 1.143 L of peroxide should be added to the original solution.
Answer:
Step-by-step explanation:i dont know duuu
one hour 55 min
you just need to subtract bout to get the answer