A.5y=45.00;y=$9.00 B.5y=45.00;y=$10.00 C.5+y=45.00;y=$39.00 D. 5+y=45.00;y=$40.00 i think is A? anyone out there please help me. :'(
oobleck i need your HELP PLEASE
A and D
A)
5 y = 45
Divide both sides by 5
y = 9
D)
5 + y = 45
Subtract 5 to both sides.
y = 40
so A right? and thank you
To determine which equation correctly represents the given relationship, let's evaluate each option step by step:
A. 5y=45.00; y=$9.00
To check if this equation is correct, we need to substitute the value of y back into the equation:
5 * $9.00 = $45.00 (Multiplying 5 and $9.00)
So, this equation is correct.
B. 5y=45.00; y=$10.00
Now, let's do the same substitution:
5 * $10.00 = $50.00 (Multiplying 5 and $10.00)
Since $50.00 is not equal to $45.00, this equation is incorrect.
C. 5+y=45.00; y=$39.00
Substituting the value of y into the equation:
5 + $39.00 = $44.00 (Adding 5 and $39.00)
As $44.00 is not equal to $45.00, this equation is incorrect too.
D. 5+y=45.00; y=$40.00
Let's substitute the value of y back into the equation:
5 + $40.00 = $45.00 (Adding 5 and $40.00)
This equation is correct.
So, the correct equation is D:
5 + y = 45.00; y = $40.00.
Hence, you were correct. The answer is D.