|
458 Age |
Name : _________________ |
||
|
Mary is 9 years older than Jerry. 6 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 18 years older than Jerry. 5 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 458 9 8 10 8 8 ( 43 ) 8 14 10 13 12 ( 57 ) [[ 100 ]] | ||
|
|
||