The purchase price and selling price of TV sets and washing machines are as follows:
kind
television
washing machine
Purchase price (yuan/set)
1 800
1 500
Price (RMB/set)
2 000
1 600
It is planned to purchase *** 100 TV sets and washing machines, and the store can raise up to 16 1 800 yuan.
(1) Could you please help the store calculate how many kinds of purchase plans there are? (excluding other expenses except the purchase price)
(2) After the store sells the purchased TV sets and washing machines, which purchase scheme will get the most profit? And get the maximum profit. (Profit = selling price-buying price)
answer
(1) Six purchase schemes (2) When x = 39, the maximum profit of the store is 13 900 yuan.
This autumn, the fruit harvest in Baiyu Village, A city. Fruit grower RoyceWong harvested 20 tons of loquat and 12 tons of peach. Now I plan to rent eight A and B trucks and transport all these fruits to other places for sale.
Yes, it is known that Class A trucks can hold 4 tons of loquat and 1 ton of peach, and Class B trucks can hold 2 tons of loquat and peach respectively.
(1) How does RoyceWong arrange for A and B trucks to be transported to the sales place at one time? How many schemes are there?
(2) If the transportation cost of each class A truck is 300 yuan and the transportation cost of each class B truck is 240 yuan, which scheme does the fruit farmer choose to have the smallest transportation cost? What's the lowest freight?
How much/how much?
answer
(1) There are three schemes to arrange two kinds of trucks, A and B. (2) The first scheme has the least freight, with the lowest freight of 2040 yuan.