sstrike's answer to Lim jia an's Primary 5 Maths Whole Numbers Singapore question.
assume all 30 hits r sun
30×2 = 60
72 - 60 = 12
each → Star - Sun = 3 - 2 = 1
12 ÷ 1 = 12 (Ans)
30×2 = 60
72 - 60 = 12
each → Star - Sun = 3 - 2 = 1
12 ÷ 1 = 12 (Ans)
360 Tutoring Program