Answer:
•
•
Explanation:
To solve these questions, we need to rearrange the equations to make the unknown variables the subject of the equations.
1a.
⇒
[multiplying both sides by 46]
⇒
1b.
⇒
[multiplying both sides by d]
⇒
[multiplying both sides by 44]
⇒
[dividing both sides by 68]
⇒