|
178 Age |
Name : _________________ |
||
|
Mary is 6 years older than Jerry. 5 years ago, Mary was 4 times as old as Jerry then. How old is Mary? |
Mary is 10 years older than Jerry. 3 years ago, Mary was 6 times as old as Jerry then. How old is Mary? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 178 7 11 7 11 11 ( 47 ) 5 12 7 10 9 ( 43 ) [[ 90 ]] | ||
|
|
||