Answer:
6.68754...
Step-by-step explanation:
Assuming you mean:

$2.50+3x=$9.25, if you need to work it out, then you do $9.25-$2.50. You take your answer and divide by three... whatever your solution is, equals X. There you go!
B 1 since you would round 1.9 to 2 and 0.7 to 1
Answer:
b) x+6
Step-by-step explanation:
Well, you have to simplify the bottom part to be able to answer it as a whole number. Hope this helps.