jac9ke6ydandmamayaQ jac9ke6ydandmamayaQ

22-09-2016
Mathematics

contestada

there are two natural numbers. one exceeds the other by 40. if the ratio of the two numbers is 7 : 3, find the numbers.

Respuesta :

nobillionaireNobley nobillionaireNobley

25-09-2016

Let the two numbers be x and x + 40, then
7/3 = (x + 40)/x
7x = 3(x + 40) = 3x + 120
7x - 3x = 120
4x = 120
x = 120/4 = 30

Therefore, the two numbers are 30 and 70.

Answer Link

Otras preguntas

You must be at least 48 inches tall to ride a Magic Mountain roller coaster write a inequality I'll make you a brainlyist if you answer correctly

Anyone can help me please???

Find the number of sides of a regular polygon if its central angle measures 35 degrees

y=3x-2;(1,1) tell whether the ordered pair is a solution of the equation

A line segment that connects the legs of a trapezoid is called the

A widow’s peak is a human trait that is controlled by a single gene. 7. a male inherits two x chromosomes. 8. a karyotype tracks which members of a family have

Is triangle ABC a right triangle? no, because none of the slopes of the line segments forming the legs are opposite reciprocals no, because none of the slopes

Look at the punnett square, which shows the predicted offspring of the f2 generation from a cross between a plant with yellow-round seeds (yyrr and a plant with

Which process produces the most variation within a species?

Matt makes 6 book cases in 8 days. What is his unit rate