Answer:
Step-by-step explanation:
I think you are just asking for the decimal answers.
3/20 = 0.15
9/50 = 0.18
38/200 = 0.19
x/20 = 21/14 (similar proportions)
x/20 = 3/2 (simplify by canceling out a factor of 7)
x = 30
Answer:
I think Substitution
Step-by-step explanation:
Because x is already solved for in the second equation.
Each Had 10. Y= 4. Because 3 x 4 = 12 + 8 = 20 ÷ 2 = 10
X= 55 degrees ...........