The unit rate will be in revolutions per second. That means divide number of revolutions by number of seconds.
first convert from mixed fraction.
6 2/5 = 32/5 revolutions
2 2/3 = 8/3 seconds
32/5 ÷ 8/3
flip multiply
32/5 × 3/8 = 12/5 revolutions per second
12/5 = 2 2/5 revolutions per second
Answer:
Manny will need an 94.
Step-by-step explanation:
85 x 4 =340
82 x 3= 246
340-246= 94.
Given:
The equation is

To find:
The error and correct solution.
Solution:
We have,

Add 16 on both sides.


Divide both sides by -5.


Third step is incorrect because he divide the equation by 5 instead of -5.
Therefore, the correct solution is
.