Answer: A=20
Step-by-step explanation:
3×A=30+30............eqn 1
3A=60
A=60/3
A=20
Substitute A=20 into equation 1
3x20= 30+30
Answer:
5pi/3x180grados/piradianes
900/3=300 grados
Step-by-step explanation:
Answer:
1273 
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
9 out of 36 chose country, that is expressed as a fraction
= 
Thus calculate this fraction of 240
× 240 =
= 60 → B