Name
Date
HW #2 – “Mixture” Problems
Mr. Leduc
Pre Calc
1) How many gallons of gasoline worth 21 cents per gallon and how many gallons
of gasoline worth 26 cents per gallon must be mixed to produce 500 gallons
worth 24 cents?
2) A seedman has seeds worth $.70 per pound and seeds worth $.90 per pound.
How many pounds of each must he use to make 300 pounds worth $.75 per
pound?
3) A florist sold roses at $3.50 per dozen and carnations at $2.50 per dozen.
In all he sold 14 dozen, and his total receipts were $43. How many dozen of
each flower did he sell?
4) At a high school basketball game, tickets at the door cost $.50 and pre-sale
tickets cost $.35. There were 20 more tickets sold at pre-sale than at the
door. IF the total receipts were $75, how many of each ticket were sold?
5) A chemist has a solution which is 40% pure acid and another solution which is
15% pure acid. How many ounces of each solution should he use to make 40
ounces of a solution which is 25% per acid?
6) A chemist has one solution which is 3% pure acid and another solution which
is 60% pure acid. How many pounds of each solution must be used to
produce 60 pounds of a solution which is 50% pure acid?
Bonus: How many ounces of pure water must be added to 50 ounces of a 15% saline
solution to make a saline solution that is 10% salt?