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2 years ago

Please help ASAP

Mathematics

2 answers:

Semenov [28]2 years ago

7 0

Answer:

Julia is 6 years old.

Step-by-step explanation:

Dave + 8 = 4 Julia

16 + 8 = 4 Julia

24 = 4 Julia

6 = Julia

Julia is 6 years old

Citrus2011 [14]2 years ago

3 0

Step-by-step explanation:

Age of dave = y

Age of Julia = x

y = 4x - 8

if y = 16

then

4x - 8 = 16

4x = 16 + 8

4x = 24

x = 24/4

x = 6

Julia is 6 years old

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2 years ago

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3 years ago

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