sstrike's answer to Benny Kang's Primary 6 Maths Data Analysis Singapore question.
Check:
230 × $9 = $2070
368 - 230 = 138
138 × $5 = $690
$690 + $2070 = $2760 √√√
230 × $9 = $2070
368 - 230 = 138
138 × $5 = $690
$690 + $2070 = $2760 √√√
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