I am really confused about rounding number to the nearest 5, i was practicing bounds gcse questions and I had a question saying that 135 was rounded to nearest 5m, find the upper and lower bounds. I thought it was going to be 136.5 until my friend told me it was 137.5, I got really confused. Can someone explain how this works? Is there a way a value that nearest 5 is x or something like that? An clear explanation would be helpful.
2026-04-03 17:28:12.1775237292
Upper and lower bounds - nearest 5
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By halving 5 (the number you are rounding to) = 2.5 Then to find the upper bound you add it to the number you are rounding so 135 + 2.5 = 137.5 ( this is a multiple of 5). To get the lower bound you do the opposite so 135 - 2.5 = 132.5 ( which is also a multiple of 5). UB= 137.5 LB= 132.5