Answer:
600 pesos
Step-by-step explanation:
First,get the 90℅ of 6000,by multiplying .90 on 6,000.Where,in this case was 5400,but the question asked for her money left after she spend.So,6000-5400 is equal to 600.
therefore,after grace spend 90℅ of her money the amount of money she had left was 600 pesos