# Write a program to maximize use the grand fund if a teacher wants t...

## Question

Write a program to maximize use the grand fund if a teacher wants to buy three different types of lab equipment. Prompt the user to input all three different prices for the three types of equipment, the total amount of grand and the maximum of the remaining unused grand fund. Your output should be the amount of remaining grand and the numbers of each type of equipment the teacher can buy. Since the teacher wants to maximally use the grand, so the purchase arrangement with remaining grand greater than \$0.10 will NOT be output. (Hint: use nested loop, you need to establish
the Math model before you start to programing)
Please enter the prices for the three equipments, grand of fund and limit of remaining fund: 9.95   6.75   12.95    2000    0.25
Your output should be comma separated and look like:
0.15, 11, 54, 37
0.21, 23, 15, 32
0.08, 38, 12, 26
...
This means the teacher can have options purchasing plans:
1) Buy 11 pieces of equipment 1, 54 pieces of equipment 2, 37 pieces of equipment 3, and the remaining unused grand fund is \$0.15
2) Buy 23 pieces of equipment 1, 15 pieces of equipment 2, 32 pieces of equipment 3, and the remaining unused grand fund is \$0.21
3) Buy 38 pieces of equipment 1, 12 pieces of equipment 2, 26 pieces of equipment 3, and the remaining unused grand fund is \$0.08
4) ...
In addition, the teacher wants to maintain the three numbers of equipment purchasing in kind of "balanced" way, not differ too much, such as not differ more than 50. This means, for example, although the purchasing plan:
0.18, 8, 64, 27
Or, Buy 8 pieces of equipment 1, 64 pieces of equipment 2, 27 pieces of equipment 3, and the remaining unused grand fund is \$0.18 meet the requirement of maximum use of grand fund, it should NOT be output since the difference of the purchasing equipment 1 and equipment 2 differs 56 pieces.

## Solution Preview

These solutions may offer step-by-step problem-solving explanations or good writing examples that include modern styles of formatting and construction of bibliographies out of text citations and references. Students may use these solutions for personal skill-building and practice. Unethical use is strictly forbidden.

* Math model:
*
* Loop over possible numbers of equipment 1 quantity:
*      Loop over possible numbers of equipment 2 quantity:
*          Loop over possible numbers of equipment 3 quantity:
*             Calculate total and remaining amounts
*             if remaining <= limit and equipment amounts are balanced:
*                  print remaining, equipment 1 quantity, equipment 2 quantity, equipment 3 quantity
*/
public class MaximizeGrandFund {

// Main method for program execution
public static void main(String[] args) {
// Construct Scanner for console input
Scanner s = new Scanner(System.in);
// Construct variables
double equipment1Price = 0.0;
double equipment2Price = 0.0;
double equipment3Price = 0.0;
double grandFund = 0.0;
double limit = 0.0...

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