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In the diagram, MNOP is a circle with centre O. Find the values of x and y: ∠MNP = (100 − xy)°, ∠NMP = (100 – 3x)°, ∠MNQ = y°

June 3, 2026Mathematics

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Question (a):
The question asks for the total cost of laying the blocks but does not specify the number of blocks. We will calculate the total cost per block, which includes the cost of one block and the labor cost for one block.

Calculate the cost of labour per block.
The cost of labour is one-third the cost of a block.
Cost of one block = GHC 1.80
Cost of labour per block = $\frac{1}{3} \times \text{GHC } 1.80 = \text{GHC } 0.60$
Calculate the total cost per block.
Total cost per block = Cost of one