Answer:
D
Step-by-step explanation:
Let's solve your equation step-by-step.
75+50x=25+70x
Step 1: Simplify both sides of the equation.
50x+75=70x+25
Step 2: Subtract 70x from both sides.
50x+75−70x=70x+25−70x
−20x+75=25
Step 3: Subtract 75 from both sides.
−20x+75−75=25−75
−20x=−50
Step 4: Divide both sides by -20.
−20x
−20
=
−50
−20
x= 5/2
THE ANSWER IS C BC ITS 100% + 30%
Solution:
we have been asked to choose from the given options for the Question
Which situation ONLY describes a purchase made with a debit card?
As we know that the debit card has the power of purchase exactly equivallent to the amount in your bank account.
So each time you will use the debit card, balance in your bank account gets decreased by the same amount.
So out of all the possible options , the best possible option is
Linda paid for her family's lunch with her card. Each time she uses this card her checking account decreases by the purchase amount.
Hence the correct option is (C)
Answer:
See below
Step-by-step explanation:
Let's suppose you're getting a new phone plan. The phone plan charges a flat fee of $5 and costs $9 a month. How can we represent this relationship?
Since $5 is a flat fee, it doesn't change based on how many months you've had the plan because it always remains $5, so this is our y-intercept.
Because the plan costs $9 a month, this represents our rate of change, or slope, showing that every month you have the plan, you multiply by $9.
So, we can show this as y=9x+5 where x is the number of months of the phone plan and y is the cost of the phone plan given x amount of months
Now, what if you wanted to know how much the phone plan would cost after 4 months?
Simple enough, we can just substitute x=4 into our equation and get y=9(4)+5=36+5=41. So, getting the phone plan for 4 months costs $41.
Let's take this the other way around. What if we wanted to figure out how many months of the phone plan are covered by $50?
We would then substitute y=50 into our equation and solve for x:
y=9x+5
50=9x+5
45=9x
5=x
This would mean $50 would cover 5 months of the phone plan.
All in all, these are real-life examples of algebra.
