Answer:
Step-by-step explanation:
In similar triangles, the corresponding sides are in same proportion.

Cross multiply,
4x*12 = 15*(3x + 1)
48x = 15*3x + 15*1
48x = 45x + 15
48x -45x = 15
3x = 15
x = 15/3
x = 5
Answer:
20+4+0.02
Step-by-step explanation:
- You break down each number
- <em>Then you need to "add" them </em>
- <em>Then finally you add them together to make sure you have the right answer</em>
Answer:
-4y-7
Step-by-step explanation:
The cost per chair is $2 and the cost per table $6