Sam sell a computer for $7500 at a profit of 25%
a)Find the cost price of the computer .
b)Find Sam's profit .
A laser printer is sold at a loss of 3% and the loss is $120 .
a)Find the cost price of the laser printer .
b)If the laser printer is sold at $3000 , what is the loss percent ?
F.1Math
2007-02-09 6:44 am
回答 (4)
2007-02-09 7:10 am
Sam
a) $6000
b) $1500
Printer
a) $4000
b) 25%
a) $6000
b) $1500
Printer
a) $4000
b) 25%
2007-02-09 7:06 am
1
a.$6000
b.$1500
2
a.$4000
b.25%
a.$6000
b.$1500
2
a.$4000
b.25%
2007-02-09 6:52 am
Sam
a) $6000
b) $1500
Printer
a) $4000
b) 25%
a) $6000
b) $1500
Printer
a) $4000
b) 25%
2007-02-09 6:51 am
a.7500/(1+25%)=6000
b.7500-6000=1500
a.let $a be the cost price.a(1-3%)=120
0.97a=120
a=123.8
b.120/3000x100%=4%
b.7500-6000=1500
a.let $a be the cost price.a(1-3%)=120
0.97a=120
a=123.8
b.120/3000x100%=4%
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