We divide the total set into several sub-sets (subgroups) that contain the exact same number of members. This way we know the number of total members by adding the number of total subsets.
Answer:
Total profit is 26,900.
Explanation
If the profit for selling a heater is 1300 than the profit of selling 25 heaters is 32500.
If the loss of selling a fan is 800 than the loss of selling 7 fan is 5600.
Minus 32500 with 5600 to get the profit.
26,900
Inverse
Inverse - is a conditional statement that NEGATES both the hypothesis and the conclusion of the original conditional statement.
no number can have a positive and a negative at the same time. a negative number has a negative sign and a positive number has a plus sign.
Base times height, and then dives what you got by 2
