Answer:
D. 80 mph
Step-by-step explanation:
d- distance
- d/50= 0.6d/40+0.4d/x
- 1/50= 0.3/20+0.4/x
- 0.4/x= 0.02- 0.015
- x= 0.4/0.005
- x= 80 mph
Answer:
c
Step-by-step explanation:
because all of the lines except for the last one is the same. so its aaaab
Answer:
There's something called Mathaway and it'll help you with this
PEMDAS!
1. 7-14=-7
2. -1*-7 = 7-5=2
3. 18-2-9 = 7
I would say screw it and use the calculator anyway