World Prblems Involving Decimal Numbers

1. A merchant purchases 15 boxes of ball pens at P11,812.50. If each box
contains 50 pieces, how much is the price of each ball pen and each box of ball pens?

2. Mr. R. Miranda is paid P145.75 per hour for his regular work and P182.20
per hour for overtime. For the past week, his regular work is 38.5 hours and
overtime work is 4.5 hours. How much is his gross pay for the week?