SOLUTION: Roger, Will, Jacob sold magazine subscriptions to raise money for playground equipment. Will sold nine more subscriptions than Roger. Jacob sold three less than twice as many subsc

Question 285550: Roger, Will, Jacob sold magazine subscriptions to raise money for playground equipment. Will sold nine more subscriptions than Roger. Jacob sold three less than twice as many subscriptions as Roger. If together they sold a total of 66 magazines subscriptions, how many subscriptions did each boy sell?
Answer by josmiceli(19441) (Show Source): You can put this solution on YOUR website!
Let = number Roger sold
Let = number Will sold
Let = number Jacob sold
given:
(1)
(2)
(3)
---------------------
There are 3 equations and 3 unknowns, so it's solvable
Substitute (1) in (3)
(3)
Substitute (2) in (3)
(3)

From (1):

From (2):

Roger sold 15, Will sold 24, Jacob sold 27
check:
(1)

and
(2)

OK

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