Twice a number can be written as 2n.
Four times the number can be written as 4n.
If the sum of 2n and 4n equals 54, then:
6n = 54
Divide both sides by 6 to solve for n:
n = 9
Answer:
Sample
Step-by-step explanation:
The people that are riding the roller coaster are only a select few people out of everyone in the entire park.
If you think about it this way, there are other rides in the park (there might be bumper cars and a Ferris wheel, etc.), so the people on the roller coaster are just a small group of the entire population of people in the park
Answer:
The numbers are 63, 26, & 21
Step-by-step explanation:
110 = 3x + (5 + x) + x
105 = 3x + 2x
105 = 5x
21 = x
Plug it back into the first equation to find your values