|
176 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 6 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 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 176 8 8 9 13 13 ( 51 ) 12 13 12 10 9 ( 56 ) [[ 107 ]] | ||
|
|
||