taniafelix2001 taniafelix2001
  • 03-04-2020
  • Mathematics
contestada

Alvin is 7 years older than Elga. The sum of their ages is 97. What is Elga's age?

Respuesta :

thistleBranch
thistleBranch thistleBranch
  • 03-04-2020

Elga's age = x

Alvin's age = x + 7

x + x + 7 = 97.

Simplify the left side of the equation

2x + 7 = 97.

Subtract 7 from each side

2x = 90.

Divide each side by 2

x = 45

Since x is equal to Elga's age, Elga is 45 years old

Answer Link
ZellaGarcia
ZellaGarcia ZellaGarcia
  • 13-02-2021

Answer:

The correct answer is 43 years old. I just got it wrong and it shows me the correct answer afterwards. Hope this helps! Have a great day :)

Step-by-step explanation:

Answer Link

Otras preguntas

What is the condition in which two different alleles are expressed equally when inherited ?
Write an integer to represent the final temperature. The day started out at 6 am as 32 degrees rose 24 degrees by noon and dropped 14 degrees at 6 pm
what does a trapezium look like
Nitrogenous base that occurs in RNA but not in DNA (A) Deoxyribose (B) Ribose (C) Uracil (D) Cytosine (E) Thymine
How does the suffix change the meaning of the base word in instruction
During digestion, why do you think it is necessary to break up the fat into tiny droplets?
Whats an direct object? and indirect object? btw am very bad at understanding things so please explain with lots of details! Thnx!
Climate warming trends allow plant and insect species to inhabit larger ranges. True or false?
rewrite the expression using distributive property 49+35.
water is considered as a compound of hydrogen and oxygen and not a mixture of hydrogen and oxygen and comment on it