Answer:
<h2>y = 2</h2>
Step-by-step explanation:
Put x = -13 to the equation -3x + 9y = 57
(-3)(-13) + 9y = 57
39 + 9y = 57 <em>subtract 39 from both sides</em>
9y = 18 <em>divide both sides by 9</em>
y = 2
The total to be paid is 909.5.
You must do 7% of 850 which is 59.5 and add it to 850 which is 909.5
Answer:z=47
Step-by-step explanation:
You're doing this because if you have z-31=16 you have to + 31 to 16 which would give you 47 then that would be a one step equation
z-31=16
you would make a line between the equal sign so it is organized then plus 31 to sixteen then that would get you to 47
Her grandma will be there 40 minutes early. If you add the hours first, then it makes it 6:35. Add the 50 minutes, 7:25 is the arrival time.
Answer:
$25
Step-by-step explanation:
Multiply $20 by 0.25 (which is 25% as a decimal)
$20 x 0.25 = $5
Add $5 to $20 which makes the answer $25
