Answer:

3. 66 3/4 meters is the total height of the building

4. 35 Students will enroll in Education

Step-by-step explanation:

3. Given:

Number of Storeys = 20

Height of Each Story = 3 2/10m

Height of Penthouse = 2 3/4m

Solution:

Height of Building = (20 x 3 2/10) + 2 3/4

= 64 + 2 3/4

= 66 3/4 meters

4. Given:

Total Students = 175

Students (Technical & Nursing Courses) = 1/5+3/5 = 4/5 of Total Students

Students (Education) = 5/5 - 4/5 = 1/5 of Total Students

Solution:

Number of Students (Education) = 1/5 x 175

= 35 Students

Answer:

A tower building has 20 storeys. Each storey is 3 2/10m high. What is the total height of the building if the pent house's height is 2 ¾?

Solution:

20 storeys

1 storey = 3 2/10m high

Pent house = 2 ¾ height

20 × 3 2/10 = 64

20 × ( 3 2/10 ) = 64

64 + 2 ¾ = 66.75

64 + ( 2 ¾ ) = 66.75

Answer:

The total height of the tower building is 66.75 high.

In a graduating class of 175 students, 1/5 decide to take technical courses, 3/5 wanted to take nursing, and rest decided to study education. How many students will enroll in education?

Solution:

175 students

1/5 decide to take technical courses

3/5 wanted to take nursing

175 ÷ 5 = 35

35 students decide to take techinal courses

35 × 3 = 105

105 students wantes to take nursing

35 × 1 = 35

35 students will enroll in education

Answer:

Out of 175 students only 35 students will enroll in education.

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