16. Given that x:y= 3:4 and y: z=5:8, find the
2y
value of
3x - y + 2z.
Answers
Answered by
7
Answer: 2y=40
3x-y+2z= 3*3 - 40 + 2*8 = 9-20+16= 28-20=8
Step-by-step explanation:
y has 2 values.
the are 4 and 5.
multiply.
y=20
2y=2*20=40
substitute x y z
x=3
y=20
z=8.
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