Three Mathematics books were packed together. The books are 3 2/3 centimeters, 4 ¾ centimeters and 2 1/6 centimeters thick, respectively. Find the total thickness of the package neglecting the wrapper.
a. What is the problem?
b. What are the given information?
c. Create an equation
d. Solve the problem
e. Verify answer
Mark is 4 1/3 kilogram heavier that his brother, Raul. Find Raul’s weight if Mark’s weight is 3 1/5 kilogram.
a. What is the problem?
b. What are the given information?
c. Create an equation
d. Solve the problem
e. Verify the answer
Answers & Comments
A. How thick are the 3 mathematics book if they are packed together?
B. 4 1/3, 3 1/5 and 2 1/6.
C. (4 1/3 + 3 1/5) + 2 1/6
D. (4 1/3 + 3 1/5) + 2 1/6 = 42/11 simplified as 3 9/11
E. The mathematic books packed together are 3 9/11 thick.
2.
A. What is Raul's weight if Mark is 3 1/4 kg?
B. 4 1/3 and 3 1/5
C. 3 1/5 - 4 1/3 becomes 16/5 - 13/5
D. 1/5 - 4 1/3 becomes 16/5 - 13/5 = 3/2
E. Raul's weight is 3/2 kg.