1. 10 pages ->3 min
1 page->0.3min or 18 seconds
2. $28->6h
$28/6->1h
$4/2/3 or $14/3->1h
The answer is 218 and 219 assuming I understood the question correctly :)
D to B =180
B to D=180
D to C =19
Answer:
<h2>
6</h2>
Step-by-step explanation:

Collect like terms

Calculate the sum

Move constant to RHS and change its sign

Calculate

Divide both sides of the equation by -5

Calculate

Hope this helps...
Best regards!!