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1. Marinated chicken costs P98.20 per half of a kilogram. Gino boug 3.5 kilograms. How much will his change be if he gave the cashiem P1,000-peso bill?
2. Grapes are priced at P53.75 per one-fourth kilogram. Lina boug 2.25 kilograms. How much did she pay for the grapes?

3. What is the product of 0.87 and the sum of 1.42 and 4:637

4. Lilian works in a hospital for 6.5 hours per day. If her hourly rate P912.50, how much is she paid for 5 days?