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How to do this?Miko went to shop to buy a shirt and a tie for her father as a birthday gift. 8 ties cost the same as 3 shirts. 8 ties and 3 shirts cost a total of $3216. How much more did a shirt cost than a tie?

Guest May 12, 2017
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How to do this?Miko went to shop to buy a shirt and a tie for her father as a birthday gift. 8 ties cost the same as 3 shirts. 8 ties and 3 shirts cost a total of $3216. How much more did a shirt cost than a tie?

 

\(8T=3S\\8T+3S=3216\\ x=S-T\)

 

\(16T=3216\\T=201 \)

 

\(S=\frac{8T}{3}=\frac{8\cdot 201}{3}\\S=536\)

 

\(S-T=536-201\\ \color{blue} S-T=335\)

 

\(A \ shirt \ cost \ 335\ \$ \ more \ than \ a \ tie.\) 

 

laugh  !

asinus  May 12, 2017
edited by asinus  May 12, 2017

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