amierousss amierousss

04-02-2020
Mathematics

contestada

Joanne and Betty have a combined age of 60 years. If Joanne is 18 years old,
how old is Betty?

Respuesta :

phillipjmact phillipjmact

04-02-2020

Answer:

42

Step-by-step explanation:

Answer Link

isaacosumah isaacosumah

04-02-2020

Answer:

42

Step-by-step explanation:

Let Joanne age be x

let betty age by y

. ° . x + y = 60

if joanne is 18

y = 18

x + 18 = 60

x = 60 - 18

x = 42

. ° . betty = 42

Answer Link

Otras preguntas

what is the purpose of a search engine?

Which best describes the culture of hatiti's people? a) it is mainly a mayan culture b) it is a blend of aferican, european and carribean cultures c) it is m

Do you know which component of the Star Wars movies is possible according to our current understanding of physics?

Check my answer please?

What is the central concept in Buddhism

Which of the following is a correct definition of the term armature? A. A type of resistant wire B. A type of dry cell battery C. A circuit diagram D. A small

Which of the following examples contains a subordinating conjunction? A. You can have the lasagna or the spaghetti for dinner. B. Charlotte swept th

Why was Head Start important in the history of teacher aides? A. It helped recruit white women and men to act as role models. B. It was one of the first progra

Which statement describes a concept included in the wave-mechanical model of the atom?

In which place can you see un oso? (1 point) A en el museo B en el zoologico C en el monumento D en el mar