Posted by **DONNA** on Thursday, January 21, 2010 at 5:13pm.

A three-tonne truck is allowed to have a gross mass (when fully loaded) of 7.5 tonnes. If it is carrying 0.5t of sand, 1.25t of brick and 4 bags of cement each weighing 40kg, what is the maximum extra mass which can still be placed on the truck before it is over-loaded?

My soliutions

0.5+1.25+(40x4)= 1.9

7.5 - 1.9= 5.6?

the correct answer is 2590kg or 2.59t

Please help!

Many thanks

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