Br8oconevaDawnjolou Br8oconevaDawnjolou

24-04-2017
Mathematics

contestada

He sum of two numbers is 40 . the smaller number is 18 less than the larger number. what are the numbers?

Respuesta :

24-04-2017

Assume x and y are the two numbers :
x + y = 80 - - - - (a)
Also, we know that x = y - 18
Replace the values of x in (a)
y - 18 + y = 80
2y = 98
y = 49
x = 49 - 18 = 31

Hope that helps & good luck

Answer Link

Otras preguntas

who said "a formal manipulator in mathematics often experience the discomforting feeling that his pencil surpasses him in intelligence"?

Hei! Ma puteti ajuta va rog cu tema la engleza? Nu prea ma pricep! Write a paragraph in your diary about something you regret.*What happened? *What should/shoul

What are the cracks between the plates of the lithosphere called

Which events of 1943 helped make an Allied victory possible? Choose all answers that are correct. A. The atomic bomb was developed, tested, and used. B. U.S. in

the shortest side of triangle ABC is half of the second side and a third of the longest side. How does the perimeter of the triangle compare to the longest side

4% of what number is 56

Describe what is meant by a food chain using an example with four named organisms.

When does phenolphthalein turn pink? a) in the presence of a base b) in the presence of an acid c) when it is in a neutral solution d) when it is reacting with

A mountain range is located in the path of prevailing winds. Why does the leeward side of the range have a dry climate? A. As air moves from the windward side t

Is the blood in the aorta, left ventricle and pulmonary artery oxygenated or deoxygenated?