|
151 Age |
Name : _________________ |
||
|
Mary is 18 years older than Jerry. 4 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 24 years older than Jerry. 5 years ago, Mary was 7 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 151 10 11 11 10 9 ( 51 ) 9 9 9 7 9 ( 43 ) [[ 94 ]] | ||
|
|
||