S6am9ulianae S6am9ulianae

03-08-2016
Mathematics

contestada

a pair of socks and a shirt cost 40 . the cost of a shirt was 5 more than four times the cost of the socks. what did the socks cost?

Respuesta :

Ckaranja Ckaranja

14-08-2016

Let the cost of a pair of socks be s and that of a shirt be k;
s+k=40------------(i)
The cost of a shirt k= 4s+5-------(i)
Replacing value of k in the first equation;
s+4s+5=40
5s+5=40
5s=35
s=[tex] \frac{35}{5} [/tex]
s=7
s+k=40
7+k=40
k=40-7
k=33

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