Hello can you answer and explain this problem to me.

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Hello can you answer and explain this problem to me. A chemist
needs 170 milliliters of a 51% solution but she only has 44% and 61 solutions available. Calculate how many milliliters of each should be mixed to get the desired result. How many milliliters of 44% solution should be use?

Thanks

 
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Hello help me solve this. Two numbers total 12,

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Hello help me solve this. Two numbers total 12, and their difference
is 18. Find the smaller of the two numbers.

Thanks

 
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Hello I need help answering this I keep getting it wrong.

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Hello I need help answering this I keep getting it wrong. A certain
aircraft can fly 1330 miles with the in 5 hours and travel the same distance against the wind in 7 hours. What is the speed?

Thanks

 
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A square garden plot measures 125 square feet.

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A square garden plot measures 125 square feet. a second square garden
plot measures 405 square feet. how many more feet of fence will the second garden plot require over that required for the first garden plot.


 
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