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hammer [34]
3 years ago
5

Solve: a 100-mL pitcher of lemonade is currently 90% water and 10% lemon concentrate. How much water must you add to change the

ballance to 95% water and 5% lemon concentrate.
Mathematics
1 answer:
LekaFEV [45]3 years ago
8 0

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

0.10(100)=10\ mL

<em>Now</em>

The balance of lemon concentrate is equal to 5%

The milliliters of lemon concentrate is the same

so

0.05(100+x)=10

solve for x

5+0.05x=10

x=100\ mL

therefore

Must add 100 milliliters of water

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