question help

11 Plus Maths – Preparation and Information

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fara123
Posts: 5
Joined: Wed May 30, 2018 8:56 pm

question help

Post by fara123 »

hi, can some pls explain the answer for this question. thank you in advance :D
The block shown, of length 18 cm, is to be cut into 6 smaller blocks, each of
length 3 cm. If it takes 3 minutes to cut through the block each time, how
many minutes will it take to cut the block into six smaller, equal pieces?
Guest55
Posts: 16254
Joined: Mon Feb 12, 2007 2:21 pm

Re: question help

Post by Guest55 »

Difficult without the picture - it is a cuboid 18 cm long? I think you need 5 cuts .. so 15 minutes?
yoyo123
Posts: 8099
Joined: Mon Jun 18, 2007 3:32 pm
Location: East Kent

Re: question help

Post by yoyo123 »

I find diagrams work well with this type of question.
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