Answer:
7
Step-by-step explanation:
You divided both 28 and 4 and you will get 7 as your answer.
I don't know the answer I'm just answering some thing so that Brinley will let me ask a question. Hope this helps LOL
Using distributive property, we get:
3x-9=0
3x=9
x=3
So, x=3. Now that was easy, huh? :)
Answer:
4hrs 30 mins
Step-by-step explanation:
5hrs-90
x-81
cross multiplying gives us
405-90x then dividing through made x=4.5 which is = 4hrs 30mins