03-10-2016
Mathematics

contestada

If A+b=76,a-b=36,a/b=?

Respuesta :

nobillionaireNobley nobillionaireNobley

08-10-2016

a + b = 76 . . . (1)
a - b = 36 . . . (2)

(1) - (2) => 2b = 40
b = 40/2 = 20

From (1), a + 20 = 76
a = 76 - 20 = 56

Therefore, a/b = 56/20 = 2.8

Answer Link

Otras preguntas

Help on question c please

From 1980 to 2000, the consumer price index increased from 122.5 to 181. If a pound of tomatoes cost $0.75 in 1980 and the price of tomatoes increased at the sa

Roman architects and engineers built spectacular structures admired for such features as the arch and the dome. How did the architecture of Constantinople compa

This morning they made a total of 52 bagels. They made two more cinnamon-raisin than strawberry. The number of blueberry is 9 more than the number of cinnamon-r

which of the following is a characteristic of archaeopteryx scales on the neck teeth in the mouth jointed tail all of the above

Given the system of equations: 2x – y = –2 x = 14 + 2y What is the value of the system determinant? What is the value of the y−determinant? What is the value

What made it easier for the Europeans to trade

You have a mortgage of $125,600.00 at a 4.95% APR. You make a payment of $1500.00 each month. What is your principal Balance at the beginning of the third month

At a buffet,Tina chose grilled meat and kidney beans.Her lunch is rich in which nutrient?

Brand A of chocolate chips costs $3 for 12 ounces. Brand B of chocolate chips costs $4 for 15 ounces. Which of the following statements is true? Brand A has th