spike617doesmcp6ithu spike617doesmcp6ithu

01-04-2018
Mathematics

contestada

William is 3 years older than Charmaine.The sum of 3 times charmaines age and 2 times Williams age is 76.How old are William and Charmaine

Respuesta :

emiliaatkinson emiliaatkinson

01-04-2018

Charmaine= x
William=x+3
3 times Charmaine = 3x
2times William = 2x+6
5x+6=76
5x=76-6
5x=70
X=14
Charmaine is 14
William is 3 years older so is 17

Check:
17x2= 34
14x3=42
34+42=76

So Charmaine is 14
William is 17

Answer Link

Otras preguntas

Cellular metabolism is organized in order to extract the most energy from food molecules. True False

How do cells in animals get energy??

A candle’s wick is the fabric string that holds the flame, and it burns down at a constant slow pace when the candle is lit. the wick is usually surrounded by w

A bus makes 28 stop every 2 hours. how many stops does it make 3 hour? in 4 hours?

In all organisms some of the energy that is taken in is____. A) Lost to the environment in the form of heat B) Lost to the environment in the form of chemical C

a mechanical wave is created when a medium ____, or moves back and forth or up and down

24/4 = ?/1. 40/5 = ?/1

Dynasty founded by a general who took the name wendi

what are two linear expressions with a sum of -5x+4

A laboratory technician needs to make a 40-liter batch of a 40% acid solution. How can the laboratory technician combine a batch of an acid solution that is p