|
310 Age |
Name : _________________ |
||
|
Mary is 4 years older than Jerry. 7 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 24 years older than Jerry. 8 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 310 9 7 8 10 12 ( 46 ) 14 10 9 10 12 ( 55 ) [[ 101 ]] | ||
|
|
||