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Aleksandr [31]
3 years ago
9

What is 20% of 25% of 4/5

Mathematics
1 answer:
krok68 [10]3 years ago
7 0

Answer:0.04

Step-by-step explanation:

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Suppose Sally has $28.00 in her bank account and starts saving $18.25 every week. Her friend Suzy has $161.00 in her bank accoun
Elza [17]

a.

Sally has $28.00 in her bank account and starts saving $18.25 every week.

Let x represent the number of weeks from when he have $28.00 in her account.

and y represent the amount in her account at week x;

We can write the function of the case as;

y=mx+b

where m is the amount she saves every week, and b the initial amount in her account.

\begin{gathered} m=\text{ \$18.25} \\ b=\text{ \$28.00} \end{gathered}

So, the function will be;

y=18.25x+28

b.

Her friend Suzy has $161.00 in her bank account and is withdrawing $15 every week.​

Using the same rule as in a above;

\begin{gathered} m=-15\text{ (withdrawing is negative)} \\ b=161 \end{gathered}

The function will be;

y=-15x+161

c.

The graph of the two functions is shown below;

d.

The point where the two lines intersect is shown in the graph above.

The point is at;

(4,101)

Which is at week 4 and balance $101.

e.

The point at which they intersect is the point where they both have the same values.

It is the week when both Sally and Suzy have the same amount in there account.

So, at the fourth week (week 4) Sally and Suzy both have $101 in their account

3 0
1 year ago
How would you express 325.4 miles on 17.3 gallons as a unit rate
Nikitich [7]
I think the answer is 18.8 Miles/gallons. 325.4 miles / 17.3 gallons = 18.78 miles/gallons, round it to 18.8 miles/gallons. 
6 0
2 years ago
12. What percent of 60 is 12? Show your work.
lubasha [3.4K]
How many times does 12 go into 60?

5 times.

What is 100/5?

20

So, 20%.

You could also just divide 12/60 then get .2 and then realize that it is the same as .20 and that is the same as 20%. 
6 0
3 years ago
Find the volume of the conical paper cup.​
Tanya [424]

Answer:

i think it is A sorry if I am worng

3 0
3 years ago
Read 2 more answers
Please help me it’s urgent
bezimeni [28]

Answer:

the answer would be y=2x+4

Step-by-step explanation:

4 0
3 years ago
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