Seudónimo Seudónimo
  • 20-01-2021
  • Mathematics
contestada

Tim’s age is nine more than his sister, Jill. Twice his age added to twice Jill’s age is 330.

Respuesta :

manilagurung86
manilagurung86 manilagurung86
  • 20-01-2021

Answer:

jill age is 78 and tim's age is 87

Step-by-step explanation:

let jill age be x then, tim's age is 9+x

by the question,

2(9+x) + 2x = 330

or,18 + 2x + 2x = 330

or,4x = 330-18

or, x = 312÷4

x = 78

9+x= 9+78=87

Answer Link

Otras preguntas

how are religion and government connected
what do organisms placed in the proposed kingdom Archaezoa lack?
Please help me answer this question
A salesman keeps 20% of his sales as a commission. How much does he have to sell to earn $1,000? It is percent proportions by the way
order 1/2,1.1,5/3,2,0,0.4,-2,5/8 least to greatest
What are numbers between 67 and 113 that is a multiple of 2 , 6 , and 8 ?
who is the main character of the hunger games
giraffes have long neck that allows them to eat leaves in trees. what is this an example of
What are three important features of a culture?
Model the numbers draw quick pictures to show how you solved the problem.Laura has 128 marbles.Kristen has 118 marbles.who has more marbles?