Question

Can you guys please help me with these questions? THANKS

Answer 1

Q3
m=400*42
m= 16800
Answer 16800
Q4
-12h+840=336
-12h=-504
h= 42
Answer 42

Answer 2

3. 16800

4. 42

Explanation:

3. 400*42 = 16800

4. h =
`(336-840)/(-12)` = 42