One number is 8 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 320,

Question

diamong [38]

3 years ago

8

One number is 8 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 320,

find the numbers.

Mathematics

1 answer:

nevsk [136] · Answer 1 · 2022-02-08T16:16:17+03:00

nevsk [136]3 years ago

5 0

X - the first number8x - the second numberx + 100 - the third number

The equation:
x + 8x + x + 100 = 32010x + 100 = 320 |-10010x = 220 |:10x = 22
8x = 8 · 22 = 176
x + 100 = 22 + 100 = 122
Answer: 22, 176 and 122

One number is 8 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 320​,

One number is 8 times a first number. A third number is 100 more than the first number. If the sum of the three numbers is 320,