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Harlamova29_29 [7]
3 years ago
8

A store sells 8 cans of nuts for $20 how much would it cost to buy 7 cans of nuts?

Mathematics
2 answers:
pshichka [43]3 years ago
8 0
To get your answer you divide $20 by 8 to get $2.50 then you multiply it by 7 to get $17.50. Hope I helped
liubo4ka [24]3 years ago
5 0
The answer to this question is 17.5. Because i divided 20 by 8 and got 2.5 and times it by 7.
17.5
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3 years ago
Sarah has 30 oranges an 48 plums . What is the ratio of oranges to plums
kari74 [83]

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30:48

Step-by-step explanation:

because there are 30 oranges and 48 plums. I got this by putting oranges in front of plums to get the ratio of 30:48

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The long division below shows the first term of the quotient. Which polynomial should be subtracted from the dividend first? x +
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2 years ago
Find the sum that amounts to Rs 9,144 in 3 years at 9% per year simple interest.​
Hunter-Best [27]

Given:

Amount = Rs. 9,144

Time = 3 years.

Rate of simple interest = 9%

To find:

The principal value.

Solution:

The formula for simple interest is:

I=\dfrac{P\times r\times t}{100}

Where, P is principal, r is the simple rate of interest, and t is the number of years.

Putting r=9,t=3 in the above formula, we get

I=\dfrac{P\times 9\times 3}{100}

I=\dfrac{27P}{100}

I=0.27P

We know that,

\text{Amount}=\text{Principal + Interest}

9144=P+0.27P

9144=1.27P

Divide both sides by 1.27, we get

\dfrac{9144}{1.27}=P

7200=P

Therefore, the principal value is Rs. 7200.

8 0
3 years ago
If f(x)=7x what is the inverse of f(x)
Brums [2.3K]

Answer:

f(x)=x/7

Step-by-step explanation:

f(x)=7x

y=7x

x=7y (switch y and x for inverse)

x=7y (isolate y)

x/7=y

The inverse of f(x)=7x is f(x)=x/7

8 0
3 years ago
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