The admission fee at a local zoo is $1.50 for children and $4.00 for adults. On a certain day, 2300 people enter the zoo and $7,450.00

is collected. How many children and how many adults attended?

700 children and 1600 adults.

Step-by-step explanation:

Given:

The admission fee at a local zoo is $1.50 for children and $4.00 for adults.

On a certain day, 2300 people enter the zoo and $7,450.00 is collected.

Question asked:

How many children and how many adults attended?

Solution:

Let number of children enter the zoo =

Then number of adults enter the zoo =

Total collection =  $7,450

Collection from children + Collection from adults = 7450

Subtracting both sides by 9200

Minus is canceled by minus.

Dividing both sides 2.5

Number of children enter the zoo = = 700

Number of adults enter the zoo = = 2300 - 700 = 1600

Thus, 700 children and 1600 adults attended the local zoo on that day.

4 and 5)16.97 or 12√2

6)15.59 or 9√3

7)y = 15.59 or 9√3     x =27

8)17.80

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

click to let others know, how is it

0.0

0 votes

1

report

read more on -

step-by-step explanation: