|
952 Age |
Name : _________________ |
||
|
Mary is 10 years older than Jerry. 7 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
Mary is 18 years older than Jerry. 7 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 952 9 10 13 6 9 ( 47 ) 13 8 9 12 11 ( 53 ) [[ 100 ]] | ||
|
|
||