aarohisah54
aarohisah54 aarohisah54
  • 24-11-2020
  • Mathematics
contestada

The ratio of two numbers is 4:9. When 5 is subtracted from each of them the new ratio becomes 3:8. Find the numbers.​

Respuesta :

germanyl5178 germanyl5178
  • 24-11-2020

Answer:

FIRST NUMBER IS 20

AND

SECOND NUMBER IS 45

Step-by-step explanation:

LET THE RATIO BE X

FIRST NUMBER = 4X

SECOND NUMBER = 9X

A/Q,

=}4X - 5 / 9X - 5 = 3 / 8

CRISS CROSS,

=}8 ( 4X - 5 ) = 9X - 5 ( 3 )

=}32X - 40 = 27X - 15

=}32X - 27X = - 15 + 40

=}5X = 25

=}X = 25 / 5

=}X = 5

THEREFORE,

FIRST NUMBER

=} 4X

=} 5 × 4

=} 20

SECOND NUMBER

=} 9X

=} 5 × 9

=} 45

Answer Link

Otras preguntas

the town of winters has a total population of 4026. if 1342 children lived in winters rounded to the nearest whole percent. what percent of the population are c
A pet store has 15 puppies12 kittens and 6 rabbits witch animals are in the ratio 5:2
Trigonometry pile up. Anyone mind helping me out with this one?Trigonometry is not my strong point. Thanks!
1.34 expressed as a percent
if you were Orpheus, would you have locked back? why or why not?
What´s the difference between Black Thursday and Black Tuesday?
what is -3 and 1/3 divided by 9? Answers: A. -10/27 b. -1/9 C. 1/9 D. 10/27
What is 1/5 reduce to its lowest term
which relationship between two species listed would be mutually beneficial A) a fish and a leech B) a dog and a tick C) a flower plant and a bee or D) a tree an
Is this singular or plural? the children's faces