Answer: The 2nd one on your right
Step-by-step explanation:
When y=0.8
4x +8(0.8) =40
-> 4x +6.4 =40
-> 4x = 33.4
-> x=33.4/4
-> x=8.35
Hope it helps...
Regards;
Leukonov/Olegion.
Answer:
a) x = 70
70 (2) +20 +20
140 + 40
180