Answer:
<em>Donna will have to pay $67.985125 at the register, including the 7% sales tax.</em>
Step-by-step explanation:
Donna bought 3 pairs of pants for $28.50 each.
So, the cost for 3 pair of pants 
dollars.
She also bought a necklace for $12.25
Thus, the cost for her entire purchase will be: 
dollars.
She received a discount of 35% off her entire purchase. So, the amount of discount 
dollars.
Thus, the total selling price will be: 
dollars.
Percentage of sales tax is 7%. So, the amount of sales tax 
dollars.
Thus, the total amount Donna have to pay at the register 
dollars.
8 is the greatest
Note the sign, and look at it on a number line.
8 is bigger than -3 by 11
hope this helps
En algunos bancos, cuentas de ahorro o incluso en prestamos y empeños podemos observar que se cobra un interés mensual. Esto no significa que todos los intereses deban ser así.
El periodo, es el tiempo en el que se aplica el interés, este puede ser anual, mensual, semanal, o incluso por día.
Answer:
y = 60
Step-by-step explanation:
<h3>Step 1: Make sense of the given</h3>
"The ratio of y to x is 3"
This means that, 
"The sum of y and x is 80"
This means, 
<h3>Step 2: Make use of the facts</h3>
If , then 
.
We can plug this into the other equation by substitution:
This simplifies to:
Which we can solve out and get:
.
<h3>Step 3: Plug and Chug</h3>
We solved for x, but we need the value of y.
So, we go back to the equation we first derived: "".
And now we substitute the value of x, into this.
By solving this out, we get:
So, the value of y is 60.
