|
142 Age |
Name : _________________ |
||
|
Mary is 10 years older than Jerry. 5 years ago, Mary was 6 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? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 142 7 10 13 11 11 ( 52 ) 14 12 10 9 7 ( 52 ) [[ 104 ]] | ||
|
|
||