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3 years ago

48% of the children in a summer camp are boys. If there are 1536 boys, how many children are there in the

Mathematics

1 answer:

pantera1 [17]3 years ago

3 0

there are 3200 children in the summer camp.

Step-by-step explanation:

Percentage of boys in summer camp= 48%

No of boys in summer camp=1536 boys

Total number of children in summer camp= $\frac{1536}{48}*100\\ =3200$

So, there are 3200 children in the summer camp.

Keywords: Word Problems having Percentage

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At the movie theatre, child admission is S5.20 and adult admission is $8.30. On Tuesday, 156 tickets were sold for a total sales

Annette [7]

Answer:

So, 89 Adult tickets were sold.

Step-by-step explanation:

So, we first name our variables, say, a for number of adult tickets, and c for child tickets.

Then we write our system of equations, first the total $ sale:

5.2c + 8.3a = 1087.10

Then we write the 2nd equation, the total number of tickets:

c + a = 156

Now, we can solve the system:

We do have different methods, let's to by subsitution.

make some change to the 2nd equation, to make c the subject: c = 156 - a

Now we plug that into the 1st equation:

5.2(156 - a) + 8.3a = 1087.10

811.2 - 5.2a + 8.3a = 1087.10

811.2 + 3.1a = 1087.10

3.1a = 275.9

a = 89

8 0

3 years ago

5.If the median annual salary for 4 employees is $60,000, then which of the following must be true? A. 2 people earn $60,000 a y

Reika [66]

The answer to your question would be D.

there is no way to tell if any of the other options are true or not so the only possible choice would be D.

Hope this helps! :)

4 0

3 years ago

Find the factorization of the polynomial below.<br> 81x2 + 72x + 16

ozzi

Answer:

9 x + 42.

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Events A and B are independent. Find the missing probability.

STALIN [3.7K]

P(A)=0.2
P(B)=0.3
P(A and B)= 0.2 x 0.3=0.06

4 0

3 years ago

Mike can plow a field in 12 hours and his brother Phil can plow it in 15 hours. How long will it take them to plow it if they us

Korvikt [17]

Answer:

6.66 hours, that is, 6 hours and 40 minutes.

Step-by-step explanation:

If Mike can plow a field in 12 hours, we plows 1/12 of the field each hour.

If Phil can plow a field in 15 hours, we plows 1/15 of the field each hour.

So if they are working together, they can plow (1/12) + (1/15) of the field each hour, that is:

(1/12) + (1/15) = (5 + 4) / 60 = 9 / 60 = 3 / 20 = 1 / 6.66

So if they work together, they can plow the field in 6.66 hours, that is, 6 hours and 40 minutes.

5 0

3 years ago