Answer:
70 + 4D
Step-by-step explanation:
- (2 x 100) + (7 x 10) + (4 x D) + (2 x 100)
- (200) + (70) + 4D + 200
-200 + 70 +4D + 200
-130 + 4D + 200
70 + 4D
The fewest number of expressions is 3.
The absolute minimum of this graph is y=-10
Mikayla subtracted 4 from both sides in the beginning when she should've added it to both sides to cancel it out on the right. the correct answer should actually be x=1
I pretty sure the answer is 6.25 hr.
I added 60 and 65. I divided that number with 20.