|
812 Age |
Name : _________________ |
||
|
Mary is 20 years older than Jerry. 6 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
Mary is 6 years older than Jerry. 8 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 812 11 10 11 10 10 ( 52 ) 10 7 12 11 9 ( 49 ) [[ 101 ]] | ||
|
|
||