Answer:
26
Step-by-step explanation:
Sydney = x
Devaughn = 2x
x + 2x = 78
3x = 78
x = 78 / 3
x = 26
Hope that helps!
5 over y plus 5. you combine the fractions by finding the common denominator
Answer:
y= 45
x=9
Step-by-step explanation:
plug 5x into y since y=5x:
5x=4x+9
-4. -4
x=9
5(9)=45
I=prt. Sub in what you know: I=12,000(.015)(4). Multiply: I=12,000(.06). Multiply again: I=720. The investment earned $720 :)
