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A Learning Task 3. Solve the given problems. List down the factors, multiples and divisibility rules in your notebook. 1. A day care center has 52 children. Each teacher has the same number of children. How many children could each teacher at the center have? 2. A chain of car dealerships got a shipment of 9,240 new cars. There are the same number of cars in every color. How many different colors could there be? 3. Divided by 9, I leave a remainder of 6. Divided by 4, I leave a remain- der of 1. Divided by 10, I leave a remainder of 3. Who am I? 4. I am a multiple of 3, 4, 5, and 6. I am a factor of 120. Divided by 7, I leave a remainder of 4. Who am I?​

Sagot :

Answer:

1. Each teacher has 13 children.

2. 64 colors

3. 33

4. 60

Step-by-step explanation:

Solution:

1. Step 1: Divisibility Rules

52 is divisible by:

2 - ✔ 7 - ✖     3 - ✖ 8 - ✖

4 - ✔ 9 - ✖     5 - ✖ 10 - ✖

6 - ✖

Therefore, 52 is divisible by 2 and 4.

Step 2: Multiples

List down the multiples of 2 and 4.

2, 4, 6, 8, 10

4, 8, 12, 16, 20

The LCM of 2 and 4 is 4.

Thus, there are 4 teachers at the center.

Step 3: Divide

number of children ÷ number of teachers =?

52 ÷ 4 = 13

2. 9240  =  2 * 2 * 2 * 3 * 5 * 7  * 11

=> 9240 = 2³ * 3¹ * 5¹ * 7¹ * 11¹

Total possible Factors

= ( 3 + 1)(1 + 1)( 1+ 1)(1 + 1)(1 + 1)

= 4(2)(2)(2)(2)

3. et x - be the number

y - be the quotient

then,

= y +      

9[ = y + ]

x = 9y + 6    (1)

= y +

4[ = y + ]

x = 4y + 1    (2)

=y +

10[ = y + ]  

x = 10y + 3   (3)

Solve for y using equations 1 and 3.

9y + 6 = 10y + 3

9y - 10y = -6 + 3

-y = -3

-1[y = -3]

y = 3

Using y = 3, find x in equation 1.

x = 9y + 6

x = 9(3) + 6

x = 27 + 6

x = 33

Therefore, the number we are looking for is 33.

To check:

33 ÷ 9 = 3 remainder 6

33 ÷ 4 = 8 remainder 1

33 ÷ 10 = 3 remainder 3