|
158 Age |
Name : _________________ |
||
|
Mary is 12 years older than Jerry. 7 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 24 years older than Jerry. 3 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 158 13 9 10 9 9 ( 50 ) 9 7 11 6 9 ( 42 ) [[ 92 ]] | ||
|
|
||