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

Rediger 4 ou 5 lignes en utilisant les 5 noms et en commencant par: pour moi, la nuit...

why did people from the North South and West feel differently about going to war with Britain?

Which of the following is not a source of genetic variation? a. Mutations b. Sexual reproduction c. Lateral gene transfer d. Asexual reproduction

Mood refers to the writer's attitude toward a subject or character. True or false

The _____ contains enzymes that are associated with protein synthesis.

On the first day of the month, the height of a plant was 9.46 cm. At the end of the month, the plant's height measured 15.3 cm. How many centimeters did the pl

Solve. 3(2w-7)=3 What is W?

A nation that was not an Allied Power of World War I was a. England b: Japan c: United States d: Switzerland e: France f: Italy

Which of the following statements is false? a. An amendment can be proposed by a 2/3 vote in the House of Representatives. b. An amendment can be proposed a n

hey every one :) would you please write a sentence for me with this word : Lachrymose thank you