Question

Please help me!
The ratio of two numbers is 1 to 3, and the sum of the numbers is 28. What is the smaller number?
5
6
7
8

Answer 1

Multiply:

7 * 1
7 * 3

Answer 2

7*1= 7
7*3= 21

Answer 3

Wait, that is all you have to do?

Answer 4

Can you do that? @Dlwillis

Answer 5

Yeah. Lol, and 21 + 7 is 28. I feel so stupid now. xD thank you!

Answer 6

Oh, nvm..yes so we have 7/21

7 + 21 = 28.

Answer 7

\[\frac{ x }{ y }=\frac{ 1 }{ 3 },y=3 x\]
x+y=28
x+3x=28
4x=28
x=7
y=?

Answer 8

So your answer should be 7..

Answer 9

Sorry, OS was lagging for a minute there.

Answer 10

Oh, yeah. Lol, i hate when it lags!

Answer 11

a/b = 1/3
b=3a
a+b =28
a+3a =28
4a = 28
a =7
Small number is 7
Source: http://www.mathskey.com/question2answer/

Answer 12

y=28-7=21

Answer 13

hello

Answer 14

can one of you guys please help me please i am dsads i just made up that name please help me

Answer 15

What do you need help with?