oluwamuremolasoyewo oluwamuremolasoyewo

22-09-2020
Mathematics

contestada

If 3 is added to three quarters of a certain number ,the result is 30 .find the original number.

Respuesta :

davidmedulla5 davidmedulla5

22-09-2020

Answer:

X=36

Step-by-step explanation:

Let x be the unknown number

Three quarters of a number =3x/4

Three was added =3x/4 +3

Final

3x/4 + 3= 30

Multiply through with 4

3x+ 12=120

3x=120-12

3x=108

X=108/3

X=36

Answer Link

Otras preguntas

How does the mood of a story affect the reader? It determines whether the conflict is internal or external. It reveals the character’s motivation. It makes the

Please help me with this

(QUICK!!!!!!!!!!!!) Write an equation of the line below.

What is the lowest multiple of both 4 and 6?

All of the following are forms of radiation except _______ rays A. alpha B. beta C. gamma D. delta

Propane gas, C3H8, is sometimes used as a fuel. In order to measure its energy output as a fuel a 1.860 g sample was combined with an excess of O2 and ignited i

Which of the following is a subordinate clause? A Natalie and Denise ate lunch B We need to leave C Alex was late D By the time they arrived

2H2S(g)⇌2H2(g)+S2(g),Kc=1.67×10−7 at 800∘C is carried out at the same temperature with the following initial concentrations: [H2S]=0.100M, [H2]=0.100M, and [S2]

Learning in which a voluntary rep onesie is strengthened or weaknened, depanding on its favorable or unfavorable conquences, is called_______ conditioning. A.o

During the Pleistocene glaciation, there have been numerous glacial and interglacial stages. About how long on average do these glacial stages reach their peak?