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mixture problems

1. The everton College store paid $16.74 for an order of 48 calculators. The store paid $9 for each scientific calculator. The other all graphing calculators, cost the store $555 each. How many of each type of calculator was ordered?

The store ordered _____ Scientific calculators and ____ graphing calculators ______

2. Snookers Lumber can convert logs into either lumber or plywood. In a given day, the mill turns out three times as many units of plywood as lumber. It makes a profit of $30 on a unit of lumber and $50 on a unit of plywood. How many of each unit must be produced and sold in order to make a profit of $18720?

Snookers Lumber must produce and sell __units of lumber and _____units of plywood to make a profit of $18720.

3. Soybean meal is 18% protein; conrmeal is 9% protein. How many of each should be mixed together in order to get 360lb mixture that is 16% protein?

How many pounds of the cornmeal should be in the mixture?

4. A student makes a $8.75 purchase at the bookstore with a $20 bill. The store has no bills and gives the change in quarters and fifty-cents pieces. There are 30 coins in all. How many of each kind are there?

How many quarters are there in the change?

Solution Summary

It shows how to set up and solve the mixture word problems. The solution is detailed and was rated '5/5' by the student who posted the question originally.