Answer:
10
Step-by-step explanation:
This might not be super helpful but it’s either 50 or 130. Sorry i haven’t done this for a while!!
Its False. addition and subtraction, Multiplication and division are inverse operations.
To be honest I don’t know I just need points
Answer:
15/4 and 45/4
Step-by-step explanation:
Let x and y be the numbers
x = 3y
x+ y = 15
Substitute the first equation in to the second equation
3y+y = 15
4y = 15
y = 15/4
x = 3(15/4)
x = 45/4
The two numbers are 15/4 and 45/4