lamprinincl lamprinincl

25-05-2022
Mathematics

contestada

Ahmad is twice as old as Bobby. John is 7 years younger than
Ahmad. If the sum of their age is 38, how old are the three boys?

Respuesta :

sreanpanhaseth sreanpanhaseth

25-05-2022

Answer:

Let

a be the age of Ahmad

b be the age of Bobby

c be the age of John

a=2b

b=a/2 (1)

a-7=c(2)

a+b+c=38(3)

substitute 1 and 2 into 3

a+a/2+a-7=38

(5/2)a=45

a= 45×2/5

a=18

then b= 18/2= 9yrs

c= 18-7= 11yrs

Answer Link

Otras preguntas

Please help me Will mark Brainliest

5,270÷59 what is IT brbr.rnrr

Whom do lobbyists ( or legislative advocates) represent?

Use context to determine the meaning of the word chagrin as it is used in “The Necklace.”

Write down all the whole numbers that are between 30 and 60 and have a difference of 4

Question: Which was more successful, the French Revolution or the American Revolution? Write two paragraphs (3-5 sentences each) in which you explain why one wa

got in an argument over this

The average weight of an apple is normally distributed with a mean of 0.33 of a pound with a standard deviation of 0.07. Michael went to the store and found an

Imprimo, inc. , produces two types of ink-jet printers: business and home. Imprimo uses a plantwide rate based on direct labor hours to assign its overhead cost

A picture frame has a width of 2 inches. If the area of the frame is 128 square inches, and if the picture itself is 4 inches longer than it is wide, what are