|
521 ChickenLeg |
Name : _________________ |
||
|
There are 140 heads of Chickens and Dogs together. Altogether there are 400 legs. How many chickens are there? |
There are 90 heads of Chickens and Dogs together. Altogether there are 240 legs. How many chickens are there? |
|
+( ) |
|
( )+ |
|
++[[ ]]++ |
||
| 521 80 40 110 50 120 ( 400 ) 60 50 120 90 120 ( 440 ) [[ 840 ]] | ||
|
|
||