If you're looking for Sam's age, the equation is 2x+5=3x-1. When solved, you get 6. Sam is 6.
Answer:
16
Step-by-step explanation:
Line 1: ◄ + ◄ + ◄ = 30
3◄ = 30
◄ = 10
The triangle equals 10.
Line 2: ◄ + ◘ + ◘ = 18
10 + 2◘ = 18
2◘ = 8
◘ = 4
The square equals 4.
Line 3: ◘ - ○ = 2
4 - ○ = 2
-○ = -2
○ = 2
The circle equals 2.
○ + ◄ + ◘ = 2 + 10 + 4 = 16
Answer: 16
Answer
254 feet
explanation
212 + (14 x 3)
Here's the work:
Density = mass/volume = 129g/(5*3*2) cm^3 = 4.3 g/cm^3.
Answer:
$0.50
Solution:
First lets find how many cookies there are:
2.5*12= 30 cookies
Then we divide cost by cookie to see how much a cookie costs
$15/30 = $0.50