maths?

[ilovemarkb]

please can anyone help me with sons maths question (not sure if its a trick question) "The weight of a cube is 87grams."
(i) what is the minimum the weight could be?
(ii) what is the maximum the weight could be ?

thanks julie

[Buenchico]

Maths seems to have changed a lot since I used to teach it I can't make any sense of it at all!

From a strictly scientific standpoint, the original statement is incorrect anyway, since grams actually measure mass, not weight. If the question had started with 'the mass of a cube is 87g' the rest of it would make sense, since the minimum possible weight would be zero (in space) and the maximum weight would effectively be infinite (at the centre of a black hole), but I'd have expected such a question to have been set by his physics teacher, rather than by his maths teacher!

Chris

[ilovemarkb]

just noticed that the answers are in grams too and worth 1 mark each!! thanks for reply...i may be back with more!!! (quick run) LOL

[Calibax]

If you are talking about rounding to whole grams then
minimum would be 86.50
maximum would be 87.4999..

[Buenchico]

Ah, that makes sense, Calibax. The question should have read:
"The weight of a cube is GIVEN as 87g".
Please shoot the maths teacher!

[ilovemarkb]

thankyou !