Problem 117
Insert parentheses in the expression \(3 \cdot 8+5 \cdot 3\) to make its value equal to the given number. 39
Problem 119
Perform each operation. $$\frac{3}{5}+\frac{2}{3}$$
Problem 132
Use a calculator to perform each operation and round each answer to two decimal places. $$4 3 . 2 2 5 \longdiv { 3 2 . 4 6 5 7 4 8 }$$
Problem 138
Each lap around a stadium track is \(\frac{1}{4}\) mile. How many laps would a runner have to complete to run 26 miles?
Problem 163
Can the product of two proper fractions be larger than either of the fractions?
Problem 164
How does the product of one proper and one improper fraction compare with the two factors?