The cars speed is 42 mph, how I got my answer.
I divided 84÷2=42.
I hope this helps.
Answer:
C. 28
Step-by-step explanation:
40% + 30% = 70%
70% of 40 students
0.70 x 40 = 28
Let me know if this helps!
Given that:

- we cross multiply as follows:

- we divide both sides by G, as follows:


- Subtract 1 from both sides of the equation:


- multiply both sides of the equation by -1, as follows:


Therefore, we have that:

or: