Answer:
The value of 
Step-by-step explanation:
We have

Now we need to find


Answer:d=0.8x+1
Step-by-step explanation:
To solve 0.5(2d-6)=0.2(4x-10)
Open the brackets
We get
d-3=0.8x-2
To make d the subject of formular
d=0.8x-2+3
d=0.8x+1
Answer:
I don't understand percentages
For number one the answer is A 2,880
for number two the answer is C 75% <--- i guessed
hope this helped