mona360 mona360

18-11-2018
Mathematics

contestada

please show working out as well

please show working out as well class=

Respuesta :

DaveedSaysHI DaveedSaysHI

18-11-2018

Lets say David is x.

Now Stan is 4 years less than 2x. (2x-4)

John is x+3.

Therefore:

x+2x-4+x+3=35

4x=36

x=9

2x-4=2*9-4=18-4=14

x+3=9+3=12

David is 9, Stan is 14, John is 12.

Answer Link

Otras preguntas

There are 3.0 amps of current flowing through a 12 volt battery in a circuit. How many amps will flow through the circuit if the resistance in the circuit is re

The Sumerians invented the first lunar calendar. A lunar calendar uses the phases of the moon to determine the time of the year. In the Sumerian calendar, a yea

i don’t get this oml

Most birds have feathers that make "whooshing" sounds when they fly. Owls have feathers that result in near-silent flight, allowing them to sneak up on prey. Ex

What are two of the reasons certain parts of the earth have cold and warm seasons? (

50 POINTS SHOW WORK PLEASE!!!! LORAN is a long-range hyperbolic navigation system. Suppose two LORAN transmitters are located at the coordinates (-100,0) and (1

Use synthetic substitution to evalute.

2. What does the reader find out about Janie's parents and early childhood?

Please help I need the coordinates!

Argue for or against the statement below Too many cooks spoil broth.