|
348 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 15 years older than Jerry. 6 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 348 7 7 13 11 6 ( 44 ) 11 6 7 11 9 ( 44 ) [[ 88 ]] | ||
|
|
||