|
816 Age |
Name : _________________ |
||
|
Mary is 8 years older than Jerry. 3 years ago, Mary was 3 times as old as Jerry then. How old is Mary? |
Mary is 15 years older than Jerry. 5 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 816 7 12 10 6 7 ( 42 ) 10 9 8 7 9 ( 43 ) [[ 85 ]] | ||
|
|
||