<PRE><B>Question 137986</B>
LETS ASSUME THE INVESTMENT IS 23,000
.14X-.06(23,000-X)=102
.14X-1,380+.06X=102
.2X=102+1,380
.2X=1,482
X=1,482/.2
X=$7,410 ANSWER FOR THE AMOUNT INVESTED IN THE CARD BUSINESS.
23,000-7,410=15,590 AMOUNT INVESTED IN THE BIKE SHOP.
PROOF
.14*7,410-.06*15,590=210
1037.4-935.4=102
102=102
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