How do you write and solve an equation for a percent mixture word problem?
What does it mean to define a variable?
How do you check your answer to a percent mixture word problem?
How do you draw a picture to solve a percent mixture word problem?
How many pounds of dark chocolate that costs $7.50 per pound must be mixed with 24 pounds of milk chocolate that costs $3.25 per pound to make a mixture that costs $4.50 per pound?
How do you solve 750D + 325*24 = 450(D + 24)?
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This video tackles the very difficult concept of drawing a picture, writing out an equation, solving, and checking a percent mixture word problem. This is a great explanation of this problem.