6×7=42 so the number missing is 42
Answer:
Use simultaneous equation for this problem
y= number of adults
x = number of children
3y + 2x = 160
y + x = 60
then we double the second equation
3y + 2x = 160
2y + 2x = 120
we cancel x by elimination
3y - 2y = 160 - 120
y = 40
Step-by-step explanation:
hope this helps
Okie I'll follow U Sarangheo
Answer:
31
Step-by-step explanation:
78 - 47 is 31 bales of hay
