|
534 Stamp |
Name : _________________ |
||
|
There are 230 stamps which are 6-cent stamps and 8-cent stamps. Altogether they cost 1640 cents. How many 6-cent stamps are there? |
There are 240 stamps which are 4-cent stamps and 9-cent stamps. Altogether they cost 1610 cents. How many 4-cent stamps are there? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 534 100 130 140 130 110 ( 610 ) 110 150 150 130 100 ( 640 ) [[ 1250 ]] | ||
|
|
||