Answer:
24 m/s
Step-by-step explanation:
Go to 20s on the graph(located on the x-axis) then go up. The point is right under 25m/s, therefore it is 24 m/s.
ANSWER

EXPLANATION
We want to find the value of a for which the binomial, 2a-1 is smaller than the value of the binomial 7-1.2a by 7.
This means that, when we subtract 2a-1 from 7-1.2a, we should get 7.

Expand:

Group similar terms:


Divide both sides by -3.2,


His mistake was adding 12+2 when he was supposed to subtract.