3. What operations are needed to solve the problem?
A. Addition and division
B. Addition and subtraction
C. Multiplication and division

4. What is the correct number sentence?
A. (20+ 50) + (20 + 40) =N
B. (20+ 50) - (20 + 40) EN
C. (20 x 50) + (20 x 40) EN

5. What is the correct answer?
A 10 kilos more
B. 15 kilos more
C.20 kilos more ​