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

What two oceans touch Australia?

Which was not a labor-saving device that first appeared around the beginning of the twentieth century? A. washing machine B. spinning wheel C. sewing machine

4(1-3n)-14> 4(2n+3)-9n

Which two design elements can be found in the U.S. flag? balance and pattern A:pattern and rhythm B:emphasis and unity C:balance and pattern

PLEASE HELP I GIVE THANKS

is 2/8 greater than 7/8

Help please!?!?!?!!??!? :) The United Kingdom is made up of: -England -France -Northern Ireland -Scotland -the Netherlands -wales (more then one can be picked :

What are the benefits of living in Palm Springs?

The price of gasoline increased by 0.16 times the price of one year ago. If the price one year ago was $3, how much was the increase?

How did the Egyptians use technology to “tame” the Nile River?