Please tell me how to do this question it’s very urgent please
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number of wallets=x
number of ties=4x
let a tie cost=y$
4x tie cost=4xy$
one wallet cost=(y+50)$
x wallet cost=x(y+50)$
now,x(y+50)+(y+50)=840
xy+50x+y+50=840
50x+y+xy=790...(1)
also 4xy=x(y+50)+184
4xy=xy+50x+184
3xy-184=50x...(2)
put in (1) value of 50x
3xy-184+y+xy=790
4xy+y=974
number of ties=4x
let a tie cost=y$
4x tie cost=4xy$
one wallet cost=(y+50)$
x wallet cost=x(y+50)$
now,x(y+50)+(y+50)=840
xy+50x+y+50=840
50x+y+xy=790...(1)
also 4xy=x(y+50)+184
4xy=xy+50x+184
3xy-184=50x...(2)
put in (1) value of 50x
3xy-184+y+xy=790
4xy+y=974
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