kimberlydubner kimberlydubner

03-12-2020
Mathematics

contestada

Edward has $400 more than Robert. After Edward spends $60 on groceries, he has three times more money than Robert. How much money does Robert have?

Respuesta :

Rsickghost Rsickghost

03-12-2020

Answer: 170

Step-by-step explanation:

We can set up simultaneous equations such that:

E = R+400

E - 60 = 3R

Solving gives R = 170 and E =570

Answer Link

Аноним Аноним

03-12-2020

Answer:

Robert has $140

Step-by-step explanation:

400 - 60 = 420

420/3 = 140

Answer Link

Otras preguntas

solve for z z/12 equals 4/5

at 7 p.m. the temperature was 5 degrees Fahrenheit and midnight the temperature was -7 degrees Fahrenheit what was change in the temperature

What does ABS stand for

Find g (2) if g(x) = -x+8

A difficulty facing cities with war industries was

A city has a population of 340,000 people. suppose that each year the population grows by 4.75% . what will the population be after 14 years? use the calculator

The type of part being manufactured today should be 1.27 inches wide, with a tolerance of 0.04 inches. If a part does not meet the size requirement, it must be

Miguel escribe una lista de mandatos para los compañeros del periódico escolar. Vuelve a escribir los mandatos usando los pronombres de objeto necesarios. 1. Ex

Is ability to react with other substances a physical or chemical property?

Consider the system: y = 3x + 5 y = ax + b What values for a and b make the system inconsistent? What values for a and b make the system consistent and depend