|
724 Age |
Name : _________________ |
||
|
Mary is 18 years older than Jerry. 7 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
Mary is 12 years older than Jerry. 7 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 724 10 11 14 8 10 ( 53 ) 11 8 10 11 11 ( 51 ) [[ 104 ]] | ||
|
|
||