Maria uses 40% of her pocket money to buy shoes,then she used 30%of the remainder to buy adictionary .find the percentage of her pocket money.

after shoes, 60% of her money is left

after dictionary, 70% of the 60% is left or, (.7)(.6) or .42 or 42% of her money is left

Whatever question you have, you should be able to answer it from this.

To calculate the total percentage of Maria's pocket money used for buying shoes and a dictionary, we need to find the remaining percentage.

Step 1: Calculate the percentage of pocket money used to buy shoes.
Maria uses 40% of her pocket money to buy shoes, so 100% - 40% = 60% of her pocket money remains.

Step 2: Calculate the percentage of the remaining money used to buy a dictionary.
Maria used 30% of the remainder to buy a dictionary, so 60% - (30% x 60%) = 60% - 18% = 42% of her pocket money remains.

Therefore, the percentage of Maria's pocket money is 42%.

To find the percentage of Maria's pocket money, we can calculate the remaining percentage after she buys the shoes and the dictionary.

Step 1: Calculate the percentage of pocket money used to buy shoes.
Maria uses 40% of her pocket money to buy shoes, meaning she has 100% - 40% = 60% of her pocket money remaining.

Step 2: Calculate the percentage of the remainder used to buy a dictionary.
Maria uses 30% of the remainder (60%) to buy a dictionary, which is 60% * 30% = 18% of her original pocket money.

Step 3: Calculate the percentage of pocket money remaining.
Maria has 60% - 18% = 42% of her original pocket money remaining.

Therefore, the percentage of her pocket money is 42%.