Andrea Tan's answer to Oon's Primary 6 Maths Algebra Singapore question.
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Let x be the number of days he read, which had an average of 15 books read a day.
(15x + 88) / (x+4) = 17
15x + 88 = 17x + 68
2x = 20
x = 10
Total number of days = 10 + 4 = 14
(15x + 88) / (x+4) = 17
15x + 88 = 17x + 68
2x = 20
x = 10
Total number of days = 10 + 4 = 14
Date Posted:
3 years ago
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