|
771 Age |
Name : _________________ |
||
|
Mary is 15 years older than Jerry. 8 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 24 years older than Jerry. 5 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 771 13 6 9 11 12 ( 51 ) 11 13 11 10 13 ( 58 ) [[ 109 ]] | ||
|
|
||