|
402 Age |
Name : _________________ |
||
|
Mary is 9 years older than Jerry. 3 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 8 years older than Jerry. 3 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 402 6 12 12 10 12 ( 52 ) 5 6 11 10 8 ( 40 ) [[ 92 ]] | ||
|
|
||