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Elena L [17]
3 years ago
15

Aaron has a budget of $100 per month to spend on lunch. He made a table showing the total amount of lunch money he will have lef

t after the given number of lunches.
Number of lunches: 0 5 10 15
Total amount of lunch money left ($): 100 75 50 25
Which equation, in standard form, represents the relationship between the number of lunches, x, and the amount of lunch money Aaron will have left, y?

A. x + 100y = 5
B. x + 5y = 100
C. 5x + y = 100
D. 100x + y = 5
Mathematics
1 answer:
Len [333]3 years ago
8 0
(5,100) (10,75)
first find the slope
75-100=-25
10-5=5
-25/5= a slope of -5
the y-intercept is 100 because that is when x is zero
y=-5x+100
then add 5x to each side
5x+y=100 is your final answer.
I find it easier to start in y=mx+b form and go from there. Hope this helped!!
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after 8% discount from the list price, the sale price price of a poster was $17.48. what was the list price of poster.
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aleksklad [387]
We know that we have to m<span>ake a down payment of $1500 and finance the rest of $20000 at a 1.9% interest rate, making equal monthly payments for 5 years. Our first step to solve this problem would be to convert 5 years into months. 

1 year = 12 months 

12 * 5 = 60 months 

Therefore, in 5 years there are 60 months. 

Now lets solve this problem step by step. 

Subtract the down payment from $20,000

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Multiply the remaining number by the interest rate. 

$18500 *1.9 = $35150 

Divide 35150 by number of months in 5 years (60)

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6 0
3 years ago
Gabriel invested $900 in an account paying an interest rate of 3 1/4 % compounded daily. Daniel invested $900 in an account payi
Helen [10]

Answer:

$40

Step-by-step explanation:

The earnings of Gabriel can be calculated with the formula:

P = Po * (1 + r/n)^(nt)

Where P = 900, r = 0.0325, n = 365 and t = 19

So we have:

P = 900 * (1 + 0.0325/365)^(365*19) = $1,668.81

The earnings of Daniel can be calculated with the formula:

P = Po * e^(rt)

Where Po = 900, r = 0.03375 and t = 19

So we have:

P = 900 * e^(0.03375*19) = $1,708.97

So the amount that Daniel will have more than Gabriel is:

1708.97 - 1668.81 = $40.16

Rounding to nearest dollar, the difference is $40

3 0
3 years ago
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