Answer:
104
Step-by-step explanation:
390/15=26
26 times 4 is 104
Answer + Step-by-step explanation:
Check the illustration that I provided .
Answer:
x = 20
Step-by-step explanation:
added together, the angles make 180
3x + 80 + 2x = 180
subtract 80 from both sides of the equation
3x + 80 - 80 + 2x = 180 - 80
combine like terms
5x = 100
divide both sides by 5
5x/5 = 100/5
x = 20