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kotegsom [21]
3 years ago
8

25 students in a class each bring in one pund of unpopped popcorn an average ear of corn has 400 kernels it takes 1,300 kernels

to make a pound. how many pounds will the class have? about how many kernels would that be? how many pounds would be if each class member brought 3 pounds of unpopped popcorn?
Mathematics
1 answer:
REY [17]3 years ago
5 0
Since each student brings in 1 pound of unpopped popcorn...then there will be 25 pounds of corn! Since there are 1300 kernels to make a pound, you multiply 25 by 1300 = <span>32500, which is how many kernels. If every child brought 3 pounds: You would have to solve 25 * 3 = 75 pounds. Hope this helps!</span>
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kap26 [50]

Answer:

-3

Step-by-step explanation:

-4x-16=2x+2

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If 2x -3(x+4)=-5, Then x=​
kherson [118]
The answer is -7

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Multiply by -3

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Collect like terms

-x-12=-5

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3 0
3 years ago
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Ali will rent a car for the weekend. He can choose one of two plans. The first plan has an initial fee of 70 and costs an additi
Aleksandr-060686 [28]

Answer: Ali would need to drive 350 miles for the two plans to cost the same.

Step-by-step explanation:

This question can be solved by creating two equations using the information supplied in the question and then solving these simultaneously.

Let the cost be C.

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Let the initial payment be i.

Let the rate per mile driven be R.

Plan 1:

C = i+R×M

C = 70+0.60M ... equation 1

Plan 2:

C = i+R×M

C = 0+0.80M

C = 0.80M ...equation 2

Substituting equation 2 into equation 1:

0.80M = 70+0.60M

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5 0
3 years ago
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ivanzaharov [21]
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Term 1: 1000
Term 2: 200
Term 3: 40

From term 1 to term 2, there's a decrease by \frac{1}{5}
From term 2 to term 3, there's a decrease also by \frac{1}{5}

The rule to find the n^{th} term in a sequence is 
n^{th}=a r^{n-1}, where a is the first term in the sequence and r is the ratio

So, the formula for the sequence in question is
n_{th} term = 1000( \frac{1}{5} ^{n-1} )

The sequence is a divergent one. We can always find the value of the next term by dividing the previous term by 5 and if we do that, the value of the next term will get closer to 'zero' but never actually equal to zero.

We can find a partial sum of the sequence using the formula
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Hence, the correct option is option number 1

6 0
3 years ago
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