C. Read, analyze and solve the following problems.
1. The product of a number and 15 is 120, what is the number?
2. Half of a certain number is equal to 26. What is the number?
3. The sum of a number and the product of 5 and 18 is 110. Find the number.
4. If the perimeter of a square is 128, how long is its side?
5. Liza is 6 years younger than her brother Nic. If the sum of their ages is 24,
how old is Liza?
Answers & Comments
Answer:
1. 8 times 15 =120
2. 52
3. 5 times 18 +20=110
4.?
5. 9 yrs old