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mojhsa [17]
3 years ago
12

Solve for the unknown value in simplest form 2/4/5 = x/3/10

Mathematics
1 answer:
Katarina [22]3 years ago
4 0

Answer:

x=3/4

Step-by-step explanation:

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In Mrs.Hu's classroom, 4/5 of the students have a dog as a pet. Of the students who have a dog as a pet also have cat as a pet.
Travka [436]

Answer:

This problem is incomplete, we do not know the fraction of the students that have a dog and also have a cat. Suppose we write the problem as:

"In Mrs.Hu's classroom, 4/5 of the students have a dog as a pet. X of the students who have a dog as a pet also have cat as a pet. If there are 45 students in her class, how many have both a dog and a cat as pets?"

Where X must be a positive number smaller than one, now we can solve it:

we know that in the class we have 45 students, and 4/5 of those students have dogs, so the number of students that have a dog as a pet is:

N = 45*(4/5) = 36

And we know that X of those 36 students also have a cat, so the number of students that have a dog and a cat is:

M = 36*X

now, we do not have, suppose that the value of X is 1/2 ("1/2 of the students who have a dog also have a cat")

M = 36*(1/2) = 18

So you can replace the value of X in the equation and find the number of students that have a dog and a cat as pets.

5 0
3 years ago
Read 2 more answers
If a plumber charges $80/hr for labor, w, and $60 for parts, write an equation that would describe the scenario of hiring a plum
Nadusha1986 [10]
Can you show the full question?
6 0
3 years ago
A farmer estimated that there were 25 gallons of water left in a tank. If this is an underestimate by 16%, how much water was ac
djyliett [7]

Answer:

The actual water in the tank is 29.76 gallons.

Step-by-step explanation:

It is given that the farmer estimated amount of water is 25 gallons.

It is also given that he underestimate the water in tank by 16%.

Let the actual water in tank be x.

(1-\frac{16}{100})x=25

(\frac{100-16}{100})x=25

84x=25\times 100

x=\frac{2500}{84}

x=29.7619

x\approx 29.76

Therefore the actual water in the tank is 29.76 gallons.

8 0
3 years ago
Can the distributive property be used to rewrite 6*(8-5)? Yes or no?
UkoKoshka [18]
Yes you can distribute.
6(8-5)
(6*8) - (6*5)
3 0
3 years ago
Match the inequality to the correct verbal description. "n exceeds 75."
Kay [80]
N> 75 should be the best one
4 0
3 years ago
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