Add all the ratio components.
3+10+12 = 25
Divide that from 400, the perimeter.
400/25 = 16
Multiply that with 12, the largest ratio component.
You get 192, which is your answer.
Hope this helps!
(x+3)/((x+4)+3)=5/6
(x+3)/(x+7)=5/6
6(x+3)=5(x+7)
6x+18=5x+35
x=35-18
x=17
17/(17+4)=17/21
check : (17+3)/(17+4+3)=20/24=5/6
Let, x be the maximum hours he can rent skate board and helmet.
So, total price :
T = 4x + 6x
Now, it is given that he has only $30.
Therefore,
Total price should be less than or equal to $30.
4x + 6x ≤ 30
10x ≤ 30
x ≤ 3
Therefore, the maximum number of hours he can rent the skateboard is 3 hours.
Hence, this is the required solution.
Number 3 is 1:3 but I don't know what 4 is I can't see the whole problem
Simplifying
34 = 10 + 4q
Solving
34 = 10 + 4q
Solving for variable 'q'.
Move all terms containing q to the left, all other terms to the right.
Add '-4q' to each side of the equation.
34 + -4q = 10 + 4q + -4q
Combine like terms: 4q + -4q = 0
34 + -4q = 10 + 0
34 + -4q = 10
Add '-34' to each side of the equation.
34 + -34 + -4q = 10 + -34
Combine like terms: 34 + -34 = 0
0 + -4q = 10 + -34
-4q = 10 + -34
Combine like terms: 10 + -34 = -24
-4q = -24
Divide each side by '-4'.
q = 6
Simplifying
q = 6
hope this helps please mark brainliest
