Andy takes an average of 12 breaths per minute About how many breaths did Andy take by the time he turned 13 years old?
1 answer:
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Answer:
Must add 100 milliliters of water
Step-by-step explanation:
Let
x ----> milliliters of water to add
we know that
<em>Originally</em>
The milliliters of lemon concentrate is equal to the 10% of 100 mL
so
<em>Now</em>
The balance of lemon concentrate is equal to 5%
The milliliters of lemon concentrate is the same
so
solve for x
therefore
Must add 100 milliliters of water