|
826 Stamp |
Name : _________________ |
||
|
There are 220 stamps which are 8-cent stamps and 3-cent stamps. Altogether they cost 1310 cents. How many 8-cent stamps are there? |
There are 240 stamps which are 8-cent stamps and 4-cent stamps. Altogether they cost 1480 cents. How many 8-cent stamps are there? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 826 130 110 80 120 130 ( 570 ) 130 80 150 120 140 ( 620 ) [[ 1190 ]] | ||
|
|
||