|
992 Stamp |
Name : _________________ |
||
|
There are 260 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1640 cents. How many 8-cent stamps are there? |
There are 230 stamps which are 5-cent stamps and 9-cent stamps. Altogether they cost 1510 cents. How many 5-cent stamps are there? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 992 150 120 140 100 150 ( 660 ) 140 100 150 90 110 ( 590 ) [[ 1250 ]] | ||
|
|
||