HooriyaZ510306 HooriyaZ510306

04-11-2022
Mathematics

contestada

12) Mary is 5 years older than Bob. If the sum of their ages is 39, write and solve an equation to find their ages.

Respuesta :

EmyrsonM702609 EmyrsonM702609

04-11-2022

Bob age =x

Mary age= x+5

If we sum the ages

x+(x+5)=39

2x+5=39

then we clear x

2x=39-5

2x=34

x=34/2

x=17

Bob age =17

Mary age=17+5=22

Answer Link

Otras preguntas

Two diverging light rays, originating from the same point, have an angle of 5° between them. After the rays reflect from a plane mirror, what is the angle betwe

Two diverging light rays, originating from the same point, have an angle of 5° between them. After the rays reflect from a plane mirror, what is the angle betwe

take 2 identical bowls filled with water.shine a spotlight on one and place one away from the spotlight in the same room. which shows higher evaporation and why

What are the characteristics of mass culture?

Six popular brands of tea are to be used in a blind taste study for consumer recognition. If three distinct brands are chosen from the six, and if the consumer

If f(x) is 4x-3 what is (f^-1of) (10)

let g(x)=x-3 and h(x)=x^2+6 find (h o g) (1)

can u tell me how to solve this promblem 4/7 plus 3/7

What are the characteristics of mass culture?

The Habsburg Empire did all of the following EXCEPT A. take control of Hungary, Croatia, and Slovonia. B. lose their Holy Roman Empire in Germany. C. remain a c

Q&A Education