AC Lim's answer to Aadit John's Primary 5 Maths Whole Numbers Singapore question.
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Extra 20 row with 14 chairs,
Total chairs for 14 row = 14 x 20 = 280
Before brought in 12 chair = 280-12= 268
From 18 chair to 14 chair, each row short of 4 chairs
268 /4= 67rows of 18 chairs each.
Total chairs in the end
= 67x18. + 12
= 1206 + 12
= 1218 chairs.
Hope this helps
Total chairs for 14 row = 14 x 20 = 280
Before brought in 12 chair = 280-12= 268
From 18 chair to 14 chair, each row short of 4 chairs
268 /4= 67rows of 18 chairs each.
Total chairs in the end
= 67x18. + 12
= 1206 + 12
= 1218 chairs.
Hope this helps
Date Posted:
3 years ago
2nd step total for 20 row with 14 chairs each row.
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