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Guidance for solving Exercise 2 on Page 79 of Math 5 Workbook
Problem:
a) Find 30% of 97.
b) A store invests 6000000 VND as capital. Knowing that the store has a profit of 15%, calculate the amount of profit.
Solution Method:
- To find a% of b, divide b by 100, then multiply by a.
- To calculate the profit amount, multiply the capital amount by the profit percentage of 15% (or divide by 100, then multiply by 15).
Answer:
a) 30% of 97 is:
97 : 100 x 30 = 29.1
b) The profit amount is:
6000000 : 100 x 15 = 900000 (VND)
Answer: a) 29.1;
b) 900000 VND;
The Mathematics Class 5 Page 79 Practice includes 3 exercises. After solving exercise 2 on page 79 of Math 5 Workbook, continue to explore hints and methods for solving Exercise 1 on Page 79 Math 5 Workbook and Exercise 3 on Page 79 Math 5 Workbook to enhance your 5th-grade math skills.
