971  Age
2

Name : _________________

 

refresh

Mary is 12 years older than Jerry. 6 years ago, Mary was 3 times as old as Jerry then. How old is Mary?



Mary is 9 years older than Jerry. 4 years ago, Mary was 4 times as old as Jerry then. How old is Mary?



Mary is 10 years older than Jerry. 4 years ago, Mary was 6 times as old as Jerry then. How old is Mary?



Mary is 15 years older than Jerry. 3 years ago, Mary was 6 times as old as Jerry then. How old is Mary?



Mary is 8 years older than Jerry. 5 years ago, Mary was 3 times as old as Jerry then. How old is Mary?



Mary is 9 years older than Jerry. 6 years ago, Mary was 4 times as old as Jerry then. How old is Mary?



Mary is 8 years older than Jerry. 3 years ago, Mary was 3 times as old as Jerry then. How old is Mary?



Å«ÇüÀº ÀÛÀºÇüº¸´Ù 12 »ìÀÌ ´õ¸¹°í, 5 ³âÀü¿¡´Â Å«Çü³ªÀ̰¡ ÀÛÀºÇü¿¡ 3 ¹è¿´À»¶§, ÇöÀç Å«ÇüÀÇ ³ªÀÌ´Â ¸î»ìÀΰ¡?



Mary is 12 years older than Jerry. 5 years ago, Mary was 7 times as old as Jerry then. How old is Mary?



Mary is 12 years older than Jerry. 8 years ago, Mary was 3 times as old as Jerry then. How old is Mary?



+(         )

 

(         )+

++[[          ]]++

971    12 7 6 6 9 ( 40 )   9 7 11 7 14 ( 48 )   [[ 88 ]]