kiljeboss kiljeboss

08-07-2020
Mathematics

contestada

Robert is 15 years older than his sister, Helen. The sum of their ages is 63. Find their ages.

Respuesta :

08-07-2020

Answer:

Helen is 24; Robert is 39

Step-by-step explanation:

If Helen's age is x, Robert's age is x + 15. We can write:

x + x + 15 = 63

2x + 15 = 63

2x = 48

x = 24

This means that Helen's age is 24 and Robert's age is 24 + 15 = 39.

Answer Link

Otras preguntas

Name the capital of the island off the southeast coast of India.

Julian and stacey needed 10 liters of water to fill a tank. Stacey filled the tank with 3 11/12 liters of water. Julian poured 1 2/5 liters less than Stacey int

A(n) _______-based diet tends to have less saturated fat and cholesterol and more phytochemicals. a. plant b. dairy c. protein d. amino acid

which is present when iodine changes from brown to blue or purple?

Richard Nixon and Hubert Humphrey were presidential nominees in 1968. true or false?

Why were the mongols such successful conquerors?

How does science help in the progress of the society? a. by helping society answer questions about life b. by helping society believe in unobservable facts c. b

Rezumat fram ursul polar

Akhenaten dismantled the ancient Egyptian religion by outlawing the worship of many gods and establishing a new religion that had a single god. a. True b. Fal

9. Which country lawyer from Ashtabula, Ohio, argued that criminals are not born, but are made by the unjust condition of human life? A. Washington Gladden B. W