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

When testing the effect of light on flowering patterns of plants, flowering patterns would be considered the? A. independent variable B. dependent variable C. c

1+×= ???? answer it

in terms of education, state governments are responsible for

A 36 year old woman on chronic cyclosporine treatment for bilateral lung transplantation visits the emergency department complaining of extreme headache, nausea

Alan, Bob, and Candy sold tickets to raise money for charity. Alan sold 125 tickets. Bob sold 14 times as many tickets as Alan, Candy sold half as many tickets

Sally's teacher asked her to classify the organisms in a sample of pond water. One key feature can be seen that helped sally rule out the kingdom eubacteria. Th

Which Egyptian ruler built many new temples during the New Kingdom period?

Both of the girls forgot their backpacks. How is both used in the sentence? 1. Direct Object 2. Subject 3. Object of a Preposition 4. Subject Complement

PLS ANSWER FAST!! Write an equation of the line with a slope of 3 and a y-intercept of -7 .

Which expression represents the measure of segment RS? 7x – 3 7x + 5 x + 5 x – 3