|
846 Age |
Name : _________________ |
||
|
Mary is 15 years older than Jerry. 3 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 18 years older than Jerry. 3 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 846 8 12 13 11 7 ( 51 ) 6 6 9 11 10 ( 42 ) [[ 93 ]] | ||
|
|
||