Answer:
$
Step-by-step explanation:
÷
= 

Hope this helps
Answer:
It’s equivalent.
Step-by-step explanation:
Collect like terms: 4x+12 = 4(3+x)
Expand brackets: 4x+12 = 12+4x
Rearrange: 4x+12 = 4x+12
If he types 40 words a minute, he can type 2000 words in 50 minutes you can solve this by doing 40*50 the number of hours would be less than one