|
137 Age |
Name : _________________ |
||
|
Mary is 4 years older than Jerry. 6 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 20 years older than Jerry. 5 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 137 8 5 10 10 9 ( 42 ) 9 7 11 12 5 ( 44 ) [[ 86 ]] | ||
|
|
||