dsmith538 dsmith538
  • 01-04-2019
  • Mathematics
contestada

the sum of three numbers is 125. the second number is 5 less than the first. the third number is 4 times the second. what are the numbers​

Respuesta :

desperatesmile
desperatesmile desperatesmile
  • 01-04-2019

Answer:

The numbers are 25, 20 and 80

Step-by-step explanation:

125=a+b+c

b=a-5

c=4b

c=4(a-5)

c=4a-20

125=a+a-5+4a-20

125=6a-25

150=6a

25=a

b=a-5

b=25-5

b=20

c=4b

c=4(20)

c=80

✓:

80+20+25=125✓

Answer Link

Otras preguntas

If the ratio of the purple flowers to black flowers is 4 to 8 and there are a total of 108 flowers how many of the flowers are purple
what is the cube answer to 24
why are many ecological phenomena difficult to study
why 1 hundred 4 tens and 14 tens name the same amount.
Which is equal to 42 • 48? a. 416 b. 410 c. 46 d. 4−6
Where did the Black Death originate? A. western Europe B. the Americas C. Africa D. Southwest China
find the dimensions of a box that will hold twice as many cubes as a box that is 4 by 2 by 9
herando cortes and francisco Pizarro were spanish conquistords
How do you estimate the following question 32 x 43
Cars entering our field of vision from the side require the use of ___________. A. peripheral vision B. central vision C. both peripheral and central vision