Answer:

2.50 Pesos

Step-by-step explanation:

7.50 X 3 = 22.50 Pesos So She Needs 2.50 PHP To Buy 1 More Pen

Hope It Helps You Mein Fruend

Here If You Want More A Little Bit More Complex Solution -

7.50 X 3 = 22.50

22.50 - 2.50 = 20.00

So She Needs 2.50 PHP To Buy 1 More Pen

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Step-by-step explanation:

7.50×3=22.50 peso she needs 2.50 to buy more pen