4 years ago

Three times David's age plus 3 is Mark's age. What is David's age?

1 answer:

8 0

If we say that David's age is X

you multiply X by three and then you add three. This becomes:
3x + 3

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Ad libitum [116K]

Answer:

25%

Step-by-step explanation:

125.00x = 93.75

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