|
190 Age |
Name : _________________ |
||
|
Mary is 6 years older than Jerry. 6 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 16 years older than Jerry. 7 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 190 8 11 12 10 7 ( 48 ) 11 12 14 7 11 ( 55 ) [[ 103 ]] | ||
|
|
||