tromboss tromboss

04-02-2020
Mathematics

contestada

Devaughn is 15 years younger than Sydney. The sum of their ages is 25. What is Sydney's age?

Respuesta :

sqdancefan sqdancefan

05-02-2020

Answer:

20

Step-by-step explanation:

Let Sydney's age be represented by s. Then the sum of the two ages is ...

s + (s-15) = 25

2s = 40 . . . . . . add 15

s = 20 . . . . . . . divide by 2

Sydney's age is 20.

Answer Link

Otras preguntas

Which of the following is a poor label for a category level file folder?

what is the value of the 9 in 93

any way to improve english vocabulary?

What are 10 facts on the respiratory system?

Which is not a way in which ideas of the Scientific Revolution were applied to the social world during the Enlightenment? A. Louis XIV promoted the belief in

Compare using <, >, or =. 5 3/4___6 1/4

Ramona is playing a board game and rolls two number cubes. Let A = {the sum of the number cubes is odd} and let B = {the sum of the number cubes is divisible by

Help me!!!!need answer quick !!

how are the united states and the roman republic alike? a) both allow citizens to vote b)both have three branches of government c)both hold elections once ever

34 is a multiple of 4. true or false?