Alan’s pocket money is 100%. Alex gets 30% more, so Alex = 130% = $26.

AlanAlex100%130% = $26

Plain numbers are given; italic underlined numbers are worked out.

  1. Alex → 130% → $26
  2. 10% → $26 ÷ 13 = $2
  3. Alan → 100% = 10 × $2 = $20

Alan gets $20.

Check: 30% of $20 = $6; $20 + $6 = $26. ✓