Bob has £140 to spend on paving slabs for his garden. Paving slabs are 70 x 70 square and cost 2.80 each.
He finds that, using whole slabs, he is only able to buy enough to lay on an area which is twice as long as it is wide but will not cover the patio.
He decides to leave the remainer as a rectangular flower bed..
if the patio gardenis 5m wide, how wide is the flower bed?
i attempted it, got no where
OH , no calculator allowed, and it must be done in under 2 minutes.
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