Maths Puzzle of the Week…Can You Solve It?

My number is less than or equal to 100

Its remainder when divided by 10 is 3

When divided by 3, it is still a multiple of 3

What is my number?

Last Week’s Answer:  63

This Week’s Puzzle:

I have a brother and a sister.
My brother is 2 years older than me, and my sister is 5 years younger than my brother.

How old must I be such that the sum of all of our ages together is 32?