Question

Q4- Dylan's weight is 62 kg correct to the nearest kg and Derek's weight is 85 kg correct to the nearest kg
a) write down the upper bound for Dylan's weight

b) Write down lower bound for the weight of Derek

c) work out the upper bound for the difference between the weight of Dylan and Derek. ​

Answer 1

Answer:

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EXPLANATION:

(a) 36

(b) 47

(c) 21