|
781 Stamp |
Name : _________________ |
||
|
There are 240 stamps which are 8-cent stamps and 6-cent stamps. Altogether they cost 1700 cents. How many 8-cent stamps are there? |
There are 210 stamps which are 3-cent stamps and 8-cent stamps. Altogether they cost 1230 cents. How many 3-cent stamps are there? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 781 130 110 70 110 120 ( 540 ) 90 120 130 150 120 ( 610 ) [[ 1150 ]] | ||
|
|
||