Pure acid is to be added to a 10% acid solution to obtain 72 L of a 20% acid solution.
1 answer:
Answer:
36
Step-by-step explanation:
because 10 is 1/2 of 20 and 72/2 = 36
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Answer:
B) 18.
Step-by-step explanation:
Add them up then divide by the amount of numbers there are.
Answer:
x = 3
So,
PQ= 5
RS=6
Step-by-step explanation:
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Liz would end up baking more cookies than sara. So the answer would be d
Answer:
b
Step-by-step explanation:
Answer:
20 ........................
