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Rom4ik [11]
3 years ago
13

In Ellen's math class, there are 2 boys for every 3 girls. If there are 21 girls in the class, how many boys are in the class?​

Mathematics
2 answers:
7nadin3 [17]3 years ago
8 0

Answer:

14

Step-by-step explanation:

Divide 21 by 3, you get 7. Multiply 7 by 2, you get 14.

Makovka662 [10]3 years ago
3 0

Answer: 14 boys

Step-by-step explanation:

ratio 2:3

7 divided by 21 = 3, so 7 times 2 equals 14

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FromTheMoon [43]
Are you sure you need help with that easy problem read it slowly then ask
7 0
3 years ago
3) The Buendorf family has agreed to let their children get some animals. The kids said they
bezimeni [28]

Answer:

The possible number of goats is 6 and the possible number of chicken is 24

Step-by-step explanation:

Let

chicken=c

Goat=g

the number of chickens could be four times the number of goats

c=4g

Total number of animals=30

c+g=30

Recall, c=4g

So,

c+g=30

4g+g=30

5g=30

Divide both sides by 5

5g/5=30/5

g=6

Recall,

c+g=30

c+6=30

c=30-6

=24

c=24

The possible number of goats is 6 and the possible number of chicken is 24 making a total of 30 animals

5 0
3 years ago
Determine if the following scenario is inductive or deductive reasoning:
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8 0
3 years ago
1.) A man invested $600 at 8% per annum for 5 years. Calculate: a.) The simple interest payable b.) The total amount of money th
Bezzdna [24]

Answer:

Following are the solution to this question:

Step-by-step explanation:

Using formula:

\text{Simple Interest} = \frac{P \times R \times T}{100} \\\\\text{ Total amount} = \text{principle}+  \text{Simple Interest}

In question (1):

Principle= \$ 600\\Rate = \ 8 \%\\Time= \ 5

In point a:

\to \frac{P \times R \times T}{100} \\\\\to \frac{(600 \times  8 \times 5)}{100}\\\\ \to  240

In point b:

\to amount = principle \ +\ simple \ interest

                 = 600 + 240 \\\\= 840

In question (2):

Principle= \$ 12,450\\Rate = \ 7.25 \%\\Time= \ 6

In point a:

\to \frac{P \times R \times T}{100} \\\\\to \frac{(12,450 \times  7.25 \times 6)}{100}\\\\ \to  5,415.75

In point b:

\to amount = principle \ +\ simple \ interest

                 = 12,450 + 5,415.75 \\\\= 17,865.75

The 3 question is incomplete, that's why it can't be solved.

7 0
3 years ago
What is the estimate of 1/2+1/6?
erastovalidia [21]
<span>2 — = 0.66667 3 hello

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3 years ago
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