alexusalmaguer1 alexusalmaguer1

12-11-2018
Mathematics

contestada

the sum of three numbers is 130. the second number is twice the first. the third number is equal to twice the second minus 1/2 of the first.

Respuesta :

hanahleekim hanahleekim

12-11-2018

The first number is 20

The second is 40

The third is 70

the first number = a

The second number = 2a

The third number = 3 1/2a

6 1/2a = 130

a = 20

Hope this helps!

Answer Link

Otras preguntas

smog and other forms of pollution from urban cities can help create more carbon dioxide as well as global warming and, in turn, affect rural areas that rely on

What impact have labor unions had on workers and businesses? Give at least 3 specific examples to support your answer.

The british fought the boer war to form the colony called

Which of the following sections represents a federal court that would hear cases for the first time? E A F B

Help pleaseeeeeeeeeeee

Two angles have the same measure. What are their measures if they are also complementary angles? supplementary angles?

The __________ is responsible for regulating nutrients in the blood after absorption.

It is almost time for the summer Olympics. The Olympic hammer throw is a throwing event where the object is to throw a heavy metal ball attached to a wire and

What inequality signs do you use:1) the city got less than 8 in of snow during the storm 2) you must be under 8 years old to get a kid's menu 3) Julie Spence at

If every eighth customer gets a $15 gift card and every fifth customer gets a free meal, how many of the first 100 customers receive a gift card and a free meal