Answer:

Step-by-step explanation:

Understand:

A. What is asked?

How much change did she receive from her 500 peso bill?

B. What are the given facts?

3kg of sugar that costs P75.70 per kg and 2 kg of rice that costs P42.50 per kg.

Plan:

What operation/s to be used?

Multiplication, Addition and Substraction

What is/are the number sentence to help solve the problem?

75.50 × 3= N

42.50 ×2= N

N + N= N

500.00 - N= N

Solve:

75.50 × 3= 227.10

42.50 × 2= 85.00

227.10 + 85.00= 312.10

500.00 - 312.10 = 187.90

Look back/Check:

312.10 + 187.90= 500.00