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mojhsa [17]
3 years ago
12

Write a real world problem that you could represent with the equation 20 - n = 4. Solve the equation to find the answer to your

problem
Mathematics
2 answers:
Oxana [17]3 years ago
8 0

Answer:

David has 20 baseball cards, he sells N cards and now he only has 4 cards. how many cards did David sell?

20-4=16

David sold 16 baseball cards.

larisa [96]3 years ago
6 0

Answer:

I used 16 out of my 20 dollars to buy some chips at the cvs now I only have 4 dollars to spare.

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Clinton had his sister sell some of their toys at a garage sale. Clinton makes $12.94 at the sale, and his sister makes $20.18.H
erastovalidia [21]

Answer:

$7.24

Step-by-step explanation:

it just is

4 0
2 years ago
If you can drive 340 miles in 5 hours, what is the unit rate? *<br> (2 Points)<br> Enter your answer
Marianna [84]
I believe it would be 68 miles per hour! To find the unit rate here you would divide miles by hours, or 340 by 5, which would give you 68.
3 0
3 years ago
Help with simple interest rate P=$18,000, r= 7.5%, t=18 months
n200080 [17]
=2025
change 18months to years=1.5 years then you use the formula
PRT÷100
18000 \times 7.5 \times 1.5 = 202500 \div 100 = 2025

7 0
3 years ago
You bought a car that was $25500 and the value depreciates by 4.5% each year.
nikklg [1K]

Answer:

(a) 20256.15625

(b) 17642.78546

Step-by-step explanation:

(a) There's a formula for this problem y = A(d)^t where, A is the initial value you are given, d is the growth or decay rate and t is the time period. So, in this case, as the car cost is decreasing it is a decay problem and we can write the formula as such; y = A(1-R)^t

So, in 5 years the car will be worth, 25500(1-4.5%)^5 or 20256.15625 dollars

(b) And after 8 years the car will be worth 25500(1-4.5%)^8 or 17642.78546 dollars.

7 0
3 years ago
1. Are these expressions equal (=) or not equal<br> 3 (3+4) ________ 3
galina1969 [7]

Answer:

Not equal so b

Step-by-step explanation:

3(3+4)=21     3³=27

8 0
2 years ago
Read 2 more answers
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