exam Maths Puzzle Numerical Ability

A bakey sells 50 loaves a day of a particular bread at $1.50 a loaf. Research indicates that, for every 10 cents increase in the price, two fewer loaves would be sold. An equation

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You have $22 in your bank account and deposit $11.50 each week. At the same time your cousin has $218 but is withdrawing $13 each week. Write and solve a system of equations to det Megatown, USA issued 10-year bonds totaling $2,500,000 for construction of new service roads and entrance ramps onto the freeway. The town set up a sinking fund at 12% compounded