I can’t see any number on the screen
Answer:
use a calcalater
Step-by-step explanation:
1.5625
<span>Cows (C)→ 4 legs
Chickens (c) → 2 legs
C+c=13 |×4
4C+2c=36
4C+4c=52
4C+2c=36
--------------- (-)
2c=16
c=8 chickens
C=13-8
C=5 cows
</span>
correctly (that was easy)