Answer:
Phoebe:180
Polly:30
Andy:60
Step-by-step explanation:
Shorten them as
Polly:x
Phoebe:y
Andy:z
y=3z
z=2x
y=6x
Subsituting:x+y+z----->3x+y----->9x
9x=270 x=30 y=180 z=60
Answer:
False You can find the side and angle but need at least two side and an angle or two angle and a side.
Step-by-step explanation:
Answer:
35 years old
Step-by-step explanation:
Let Janice's age = j.
Let Ross's age = r.
j = 5r
j = r + 28
Set the equations equal to each other.
5r = r + 28
4r = 28
r = 7
j = 5r
j = 5(7)
j = 35
Answer: 35 years old