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

Respuesta :

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

Answer Link

Otras preguntas

Why is it important for IT professionals to be systematic? A) Because if you aren't systematic, you will never be hired for a job. B) Because being systematic

One of the best opportunities to learn about a career in positions in a particular field is a(n) A) dual enrollment opportunity B) seminar C) job shadow D)

Do people answer questions more on this site or be on social more ??? no right or wrong answer your opinion

Plz help will give brainly

Susan and Jamal are playing volleyball. Susan spikes the ball. When she strikes the ball with her fist, it flies into the air and over the net. Eventually, it f

A student is performing a double-slit experiment to determine the wavelength of a light source. She has measured the distance between dark bands and the distan

Ceremony performed to the gods in the hope of a prosperous growing season.

please help me!!!!!! I cant do it

Antony buys one pound of oranges for $12 and sells it for $14. How can he write the profit in his account book? A. +$2 B. +$14 C. $14 D. -$2 E. -$12

How do you solve this? r^2+32=12r