03-03-2016
Mathematics

contestada

What is the sum of two numbers is 30. The sum of the greater number and three times lesser number is 53

Respuesta :

tomzy416 tomzy416

03-03-2016

x+y=30....1
x+3y=53.......2
from equ 1
x=30-y......3
sub in equ 2
30-y+3y=53
30+2y=53
2y=53-30
2y=23
y=23/2 =11.5
sub in equ 3
x=30-11.5
x=18.5

Answer Link

Otras preguntas

For what reason was the "Union Party" created? Who were its candidates?

this is for algebra 1 My two numbers add up to 12. Three times my first number plus twice my second number is 29. Which two numbers is she thinking of? Show yo

what is m/9 - 1 = -2 whats the answer & steps

By tradition, when does the presidential campaign begin?

What is the value of 5 in 356,039,763

Equivalent decimal are decimal that have the same value. TrueOrFalse

is 7 over 9 , 5 over 12, and 5 over 8 terminating or repeating decimals? and what are they in decimals? please explain..thx :)

one egg carton holds 12 eggs .how many cartons are you able to fill with 60 eggs.help me please.

Calculate the number of moles 2.25 g of Na2CO3 0.800 g of NaOH 17.75 g of Na2SO4

seth traveled 1 mile in 57.1 second how fast did he go in miles per hour