Ken invests $6,000 into two accounts. One account earns 8% interest and the other earns 12% interest. After one year his total i
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Answer:
The roller coaster is 155 feet above the ground.
Step-by-step explanation:
Given:
The roller coaster climbs 120 feet from ground level.
Then drops 75 feet
Then again climbs 105 feet
To find distance of roller coaster above the ground now we will subtract the drop in level from the rise and then add the second rise to the difference.
This can be evaluated as:
⇒
⇒
Thus the roller coaster is 155 feet above the ground.