rebecahserie rebecahserie

04-05-2017
Mathematics

contestada

what is the value of r in: 1/7(105+r)=20

Respuesta :

Noah11012 Noah11012

04-05-2017

Use the distributive property.

1/7(105 + r) = 20
15 + (1/7)r = 20

Then subtract each side of the equation by 15.

15 + (1/7)r = 20
(1/7)r = 5

Divide both sides by 1/7.

(1/7)r = 5

r = 35

So, the answer to this question is r is equal to 35.

Answer Link

Otras preguntas

Which is larger 7% or 0.7 why?

A jar contains 133 pennies. a bigger jar contains 1 2/7 times as many pennies. what is the value of the pennies in the bigger jar?

What is 258/300 written as a decimal and a percent???

Express 230 in scientific notation

Express 230 in scientific notation

Which three countries have the least access to technology?

List five kinds of cases that come under the judicial power of the United States courts.

How many seismic stations are needed to determine the location of an earthquake's epicenter?

The cost of living last year went up 7%. Fortunately, Alice Swanson got a 7% raise in her salary from last year. This year she's earning $42,805. How much did s

Which of the following statements is not true?"Whom" can serve as the object of a preposition."Whom" is an object pronoun."Who" and "whom" are personal pronouns