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calculusxy
 one year ago
If sweatshirts cost $28 and tee shirts cost $15 and William spent $1440 buying a total of 70 sweatshirts and tee shirts for the school store, how many tee shirts did he purchase?
calculusxy
 one year ago
If sweatshirts cost $28 and tee shirts cost $15 and William spent $1440 buying a total of 70 sweatshirts and tee shirts for the school store, how many tee shirts did he purchase?

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jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1do you have the 2 equations set up?

calculusxy
 one year ago
Best ResponseYou've already chosen the best response.0So this is what I have: \[70($28) + 15s = $1440\]

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.170 is the number of tshirts and sweatshirts combined

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1x = # of sweatshirts y = # of t shirts x+y = 70

jim_thompson5910
 one year ago
Best ResponseYou've already chosen the best response.1`sweatshirts cost $28 and tee shirts cost $15 and William spent $1440` 28x + 15y = 1440 is the other equation
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