sanchezjessica123 sanchezjessica123

02-03-2020
Mathematics

contestada

A is now 4 times as old as B. Five years ago the sum of their ages was 45 years. How old is each?

Respuesta :

Danboghiu66 Danboghiu66

02-03-2020

a=4b

(a-5)+(b-5)=45

4b-5+b-5=45

5b=55

b=11

a=44

Answer Link

Otras preguntas

Joly used 4 strips of ribbon to decorate a box. Each strip was 6.15 cm long. How much ribbon did Joly use altogether? a.)2.46 cm b.)24.4 cm c.)24.6 cm d.)25 cm

One and one eighth minus a half

Marvita lives near a river, but can't afford easy access to fresh water. She suffers from scarcity.

A structural linguist is more interested in the language people speak in a given speech community today than on general, historical patterns of speech. True o

Solve for x X ²-5x=2(leave answer in a surd form)

When conducting an experiment, a scientist should: (a) attempt to test every possibility (b) attempt to control the conditions (c) place no limits on the invest

Who benefited the most from the Industrial Revolution? a. The Industrial Working Class b. The Industrial Middle Class c. Farmers d. Miners

What was an immediate cause of the 1789 French Revolution?

What is the official language of Mozambique and Angola?

The Soviet and East German blockade of Berlin lasted for how many years