marieanthony41 marieanthony41

16-03-2020
Mathematics

contestada

Sarah's age is ten years more than twice Tanya's age. The sum of their ages is 64. How old is Sarah?

Respuesta :

kimiemiko00 kimiemiko00

20-03-2020

Sarah is 46.

n = Tonya’s age

2n + 10 = Sarah’s age

2n + 10 + n = 64

3n + 10 = 64

3n - 10 = 64 - 10

3n = 54

3n/3 = 54/3

n = 18

18 x 2 = 36

36 + 10 = 46

Answer Link

Otras preguntas

FOURTH AMENDMENT - In what circumstances is a search warrant not mandatory?

Why did lay investiture cause a struggle between kings and popes?

What countries were allies during the Seven Years’ War?

x^2 - 5x - 66 = 0 Factor and solve

What makes some elements more reactive than others? Compare and contrast group 1 and group 8?

What makes some elements more reactive than others? Compare and contrast group 1 and group 8?

An economist is a social scientist who focuses on the study of the (1) development of spiritual practices (2) establishment of legal systems (3) creation a

Which word in the sentence, if any, should be followed by a semicolon? My parents are cleaning the house that means we must be expecting company. A. must B. The

Express the fractions 3/4, 7/16, and 5/8 with the LCD?

Which word completes the sentence with the correct principal part of the verb? Most of the juice pops have __________ quickly in the freezer. A. froze B. frozen