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Osborne invested $17,000 in stocks and bonds.

If he made a 10% profit on his stocks and a

7% profit on his bonds, and the combined profit

was $1,280, how much did Osborne invest in

stocks?

Respuesta :

SYSTEM OF EQUATIONS

S+B = 17000
0.1S+0.07B=1280

Multiply the first equation by 0.1 and subtract the second equation

0.03B=420
B=14,000
S=3,000

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