Asked by dw
At auction 390 vinyl records are sold. Ben buys 1/3 of them and 0.5 of what was left is bought
by Sally. Rob buys the rest - how many is this?
by Sally. Rob buys the rest - how many is this?
Answers
Answered by
bobpursley
B=1/3 * 390=130 records
S=.5*(390-130)=.5(260)=130
R=(390-130-130=130
S=.5*(390-130)=.5(260)=130
R=(390-130-130=130
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