Total area of village in sq. km is 8.5. If total area for rice cultivation in sq. km is 3.5 and land for plastic factory in sq. m is 750.. Find the percentage of both the cultivated area and factory area..

Refer to interactive solution 17.45 to review a method by which this problem can be solved. the fundamental frequencies of two air columns are the same. column a is open at both ends, while column b is open at only one end. the length of column a is 0.504 m. what is the length of column b?

Acoin bank containing only dimes and quarters has 12 more dimes than quarters. the total value of the coins is $11. how many quarters and dimes are in the coin bank?

Write an inequality and solve each problem.for exercises 11 and 12, interpret the solution.