alopez071301 alopez071301

13-02-2020
Mathematics

contestada

Jack is 4 times as old as Lacy. 4 years ago the sum of their ages was 52. How old are they now

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hamzaafzal012 hamzaafzal012

13-02-2020

Answer:

Jack = 48 years old , Lac = 12 years old

Step-by-step explanation:

Jack = 4Lacy

(Jack - 4) + (Lacy - 4) = 52

Now, substitute.

4Lacy - 4 + Lacy - 4 = 52

5Lacy = 60

Lacy = 60/5 = 12

Jack =4Lacy

=4(12)

=48

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