SOLUTION: in a coffee shop the raito of the number of customers who ordered regular coffee to the number who ordered decaffeinated coffee was 4 to 1. if the number of perople who ordered reg

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Question 502217: in a coffee shop the raito of the number of customers who ordered regular coffee to the number who ordered decaffeinated coffee was 4 to 1. if the number of perople who ordered regular coffee was 126 more than the number who ordered decaf, how many people ordered each tyoe of coffee?
Answer by Earlsdon(6294)   (Show Source): You can put this solution on YOUR website!
Let x = the number of customers who ordered decaffeinated coffee, then x+126 cutomers ordered regular coffee, so we can right a proportion:
Solve for x. Cross-multiply.
Subtract x from both sides.
Divide both sides by 3.

42 customers ordered decaffeinated coffee and 168 (42+126) customers ordered regular coffee.
Check:

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