So what you need to do is to put X alone so what you do is +3 on both sides so only 7x=7x is left. then do the opposite and divide 7 with 7 you get 1x thats your answer
Answer:
Her average per day was 750 meters.
Step-by-step explanation:
To find the average, add all the numbers up in the set and divide by how many numbers there are.
650 + 675 + 725 + 800 + 900 = 3750. Divide it by 5 and you get 750
Answer:
Step-by-step explanation:
What
are you calculating area or circumference??