Sagot :
PROBLEM SOLVING
Len bought 2 notebooks at P25.00 each and a ballpen at P15.00. 100-peso bill. How much was her change?
Asked: How much was her change?
Given: 2 notebooks at P25.00 each and a ballpen at P15.00 each.
Operation: Addition
Number sentence: 100 - [(2 • 25) + (15)]
Solution:
100 - [(2 • 25) + (15)]
100 - [50 + 15]
100 - 65
= 35 pesos
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