SOLUTION: At work one​ day, Erica Franz received 28 packages. Speedy Delivery delivered twice as many as​ Ralph's Express, while​ Ralph's Express delivered four more than S

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Question 1118770: At work one​ day, Erica Franz received 28 packages. Speedy Delivery delivered twice as many as​ Ralph's Express, while​ Ralph's Express delivered four more than SendQuick Package Service. How many packages did each service deliver to​ Erica?
Answer by josgarithmetic(39616)   (Show Source): You can put this solution on YOUR website!
One of the services sent x packages to Erica. 
Speedy Delivery   2(4+x)
Ralphs             4+x
SendQuick           x
TOTAL               28

See that total? Solve for x. Use it to evaluate the other two expressions. 
Speedy Delivery    16
Ralphs              8
SendQuick           4
TOTAL               28

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