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

Question

Mathematics

Janiya Fitzgerald

1 October, 15:10

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

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Answers (1)

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Destiney Webster · Answer 1

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