1. Michael was charged Php 350.00 for the parts of the bicycle and Php 200.00 per hour for the labor. If it took 2 hours for the mechanic to finish repairing it, how much change will Michael receive if he paid a Php 1000.00 bill?
2. A certain Math club makes 20 bars of chocolate a week and sells these at Php 50.00 each. Before all the chocolates be sold, the pupils found out that eight bars were eaten by mice. How much will be the total sale after four weeks? Write an expression and show your work and answer.
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