Multiplying or dividing two related quantities by the same number is called scaling
Answer:
506
Step-by-step explanation:
do the math
ANSWER

EXPLANATION
Method 1
Vertically opposite angles are equal, therefore

This implies that,

We simplify to get,

Dividing through by 3 gives,

Also,

This implies that,

We simplify the right hand side to get,

We divide both sides both sides by 2 to get,



Method 2
Angles on straight line sums to 180°.

This implies that,




Also,






Answer:
c=6
Step-by-step explanation:
c-20-4-3c
c-20+20= 4+20-3c
c=24-3c
c+3c=24-3c + 3c
4c = 24
4c 4 24 4 =
c = 6