The sum of two numbers is 28. The first number, x, is three
times the second number, y.
1 answer:
Answer:
x=21
y= 7
Step-by-step explanation:
x+y = 28
x = 3y
Substitute the second equation into the first
3y+y = 28
4y = 28
Divide by 4
4y/4 = 28/4
y = 7
Now we need to find x
x = 3*y
x = 3*7
x = 21
You might be interested in
Answer:
it is B
Step-by-step explanation:
Answer:
i think it is 3380
multiply all the numbers and then divide by 5
Answer:
n=4
Step-by-step explanation:
Attachment has my work.
Answer:
16 5/7
Step-by-step explanation:
this answer is if you mean how much is she NOT using...
22.50 would be the next change
