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2. Ella spends 3.5 hours practicing piano and 2.3 hours singing each day.
How many hours did she use to do these activities for 3 days?

3. Girly bought 3 rolls of gauze pads at P15.00 each and 2 packs of cottons
for P8.50 for every pack. How much did she pay to the seller?

step by step explaination​