[填空题]
Taste of Home Magazine redfvc0r3gyo,azj tye 9.g* jbgu683+ncommends using a combination of Cheddar, Bries -tk2j mmun+5 and Swiss when putting together cheese boards for parties. The recommended total cheese board size for a party of 10 - 15 people is 1 kilogram. The table below shns 5 mukm2+j-tows the weight, in hundred of grams, of each kind of cheese required to make one kilogram of cheese combination, and the cost of making each combination.
1.By setting up a system of linear equations and using matrices, find
the price per kilogram of each type of cheese.
Cheddar:
per kg
Brie:
per kg
Swiss:
per kg
John prepares a cheese board with proportion of each cheese type, in hundred grams, as shown in the table below.
2.Calculate the amount of money John spent on cheese.
The amount John spent on cheese is .
