Challenge 3 : about families

LIZ

I have a mathematical problem for you:

I am 27 years old. My brother is 4 years younger than me. How old is my brother? 

My father is 28 years older than my brother. How old is my father?  

My mother is 3 years younger than my father. How old is my mother?

Can you find the answer?

RACHEL

I have a mathematical problem for you:

  • I am 22 years old. My sister is 6 years younger than me. How old is my sister? 
  • My brother is 3 years older than my sister. How old is my brother?  
  • My mother is 26 years older than me. How old is my mother?

Can you find the answer? 

GABRIELLA

I have a math problem for you: 

●     I am 23 years old. My sister is 2 years older than me. How old is my sister? 

●     My father is 37 years older than my sister. How old is my father? 

●     My mother is 2 years younger than my father. How old is my mother ?

Can you find the answer?

2 thoughts on “Challenge 3 : about families”

  1. école de Saint Jean des Vignes 29 January 2021 at 16 h 03 min

    We have found:
    Liz is 27 years old.
    Her brother is 23 years old.
    Her father is 51 years old.
    Her mother is 48 years old.

  2. Liz 1 February 2021 at 9 h 15 min

    Thank you !
    You did a great job !
    See you soon

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