One week she had 38 coins, all of them dimes and quarters. when she added them up, she had a total of 6.95, how many dimes did she have

If mary had 320 toy cars and she gave her friend 50 cars and then she gave her brother 72 more cars how much toy cars would mary have left ● explain with proper details

Asequence is a function whose is the set of natural numbers

The ratio of the ages (in years) of three children is 2: 4: 5. the sum of their ages is 33. what is the age of each child?