|
688 Age |
Name : _________________ |
||
|
Mary is 8 years older than Jerry. 4 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 16 years older than Jerry. 6 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 688 8 9 9 9 9 ( 44 ) 10 13 10 9 5 ( 47 ) [[ 91 ]] | ||
|
|
||