Answer:
The length of the first piece of string is:
9135 : 7 = 1305 (cm)
The length of the second piece of string is:
9135 - 1305 = 7830 (cm)
Answer: 7830 cm.
Solution for exercise 2 on page 176 of Math 3 textbook
Problem statement:
They plan to transport 15700 kg of salt to the mountain region using 5 trucks, with 2 trucks already on the road for the first batch. How much salt can they transport in the first batch?
Answer:
Each truck can transport the following number of kilograms of salt:
15700 : 5 = 3140 (kg)
The amount of salt transported in the first batch is:
3140 x 2 = 6280 (kg)
Answer: 6280 kg
Solution for exercise 3 on page 176 of Math 3 textbook
Problem statement:
There are 42 identical cups placed into 7 boxes. How many boxes are needed for 4572 cups of the same type?
Answer:
The number of cups in each box is:
42 : 7 = 6 (cups)
The number of boxes needed to contain all 4572 cups is:
4572 : 6 = 762 (boxes)
Answer: 762 boxes.
Solution for exercise 4 on page 176 of Math 3 textbook
Problem statement:
Circle the letter before the correct answer
a) The value of the expression 4 + 16 x 5 is:
A.100 B. 320 C.84 D. 94
b) The value of the expression 24 : 4 x 2 is:
A.3 B.12 C.4 D.48
Answer:
a) Circle letter C: 84
b) Circle letter B: 12
