darnelltm darnelltm

25-09-2017
Mathematics

contestada

alvin is 13 years older than elga. the sum of their ages is 107. what is elga's age

Respuesta :

ashleyispurfowt1k9 ashleyispurfowt1k9

25-09-2017

alvin is 94 years old!

Answer Link

texaschic101 texaschic101

25-09-2017

a = e + 13
a + e = 107

e + 13 + e = 107
2e + 13 = 107
2e = 107 - 13
2e = 94
e = 94/2
e = 47 <=== elga's age

a = e + 13
a = 47 + 13
a = 60....alvin's age

Answer Link

Otras preguntas

11. Your realized income is $3,167.89/month, and your fixed expenses are $954.32/every 2 weeks. If you save 50% of your discretionary monies each month, how m

¿Te gusta comprar ropa? No, nos gusta. Sí, les gusta muchisímo. Sí, me gusta comprar ropa. Sí, me gustan las fruta

Simplify the expression. 2a^-5 m^5

Whats the greatest factor of 15x^2 y^3 and -20^3 yz

Marika is four years old, and she often tells on her brother because she thinks her mom will reward her for it. She is in Kohlberg's _____ stage.

What is the 10th term of a geometric sequence 2,-6,18,...?

The win/loss record for Spartan High School football for the past three years is: 4 wins, 6 losses in 2005; 5 wins, 5 losses in 2006; and 7 wins and 3 losses in

Suppose you are working and have a lot to do, but one customer's order needs a lot of fine adjustments

Each hat cost $9. Each scarf cost $4 less than each hat. What is the total for 7 hats and 9 scarves? Write a number sentence for each step.

All of the following except one are examples of between-the-lines questions. Which one is NOT a between-the-lines question?