|
723 Age |
Name : _________________ |
||
|
Mary is 20 years older than Jerry. 8 years ago, Mary was 5 times as old as Jerry then. How old is Mary? |
Mary is 10 years older than Jerry. 5 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 723 13 5 7 11 10 ( 46 ) 10 11 9 8 9 ( 47 ) [[ 93 ]] | ||
|
|
||