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Gabriella but nine shirts for a total of $90 T-shirts cost eight dollars and long sleeves cost $14 how many of each type of shirt did she buy

 Feb 23, 2020
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L = long sleeve        cost of long sleeves =   $ 14  L

T = T shirt = 9- L                 cost of T's     =   $  8 (9-L)         The red equations added together = $ 90

 

 14L         +       8 (9-L)          =        90            solve for 'L'   the long sleeves, then  T's =   9-L

 Feb 24, 2020

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