ORIENTASI MASALAH SISTEM PERSAMAAN LINEAR TIGA VARIABEL

Winda Haniaty

9 Dec 202201:32

Summary

TLDRIn this story, Bu Devi gives her three daughters—Ira, Ria, and Ani—Rp 50,000 each to buy their favorite breads at a bakery. Ira buys 3 chocolate, 2 cheese, and 2 coconut breads for Rp 41,000; Ria purchases 2 chocolate, 3 cheese, and 2 coconut breads for Rp 43,000; and Ani buys 2 chocolate, 2 cheese, and 3 coconut breads for Rp 42,000. Upon returning home, they cannot recall the price of each bread. The solution involves setting up a system of equations to find that the chocolate bread costs Rp 5,000, the cheese bread Rp 7,000, and the coconut bread Rp 6,000.

Takeaways

😀 Bu Devi has three daughters named Ira, Ria, and Ani.
😀 Bu Devi gives each of her daughters Rp50,000 to buy their favorite bread from the bakery.
😀 Ira buys 3 chocolate breads, 2 cheese breads, and 2 coconut breads, totaling Rp41,000.
😀 Ria buys 2 chocolate breads, 3 cheese breads, and 2 coconut breads, totaling Rp43,000.
😀 Ani buys 2 chocolate breads, 2 cheese breads, and 3 coconut breads, totaling Rp42,000.
😀 Each daughter goes to the bakery and purchases different combinations of bread according to their preferences.
😀 After returning home, the daughters inform their mother that they have bought their favorite breads.
😀 When Bu Devi asks for the unit price of each type of bread, the daughters cannot recall the price of each bread.
😀 The script revolves around finding a way for Bu Devi to determine the price of each type of bread.
😀 The story highlights the importance of keeping track of unit prices when purchasing multiple items.

Q & A

How many daughters does Bu Devi have?
-Bu Devi has three daughters: Ira, Ria, and Ani.
How much money did Bu Devi give each daughter?
-Bu Devi gave each daughter Rp50,000.
What did Ira buy at the bakery?
-Ira bought 3 chocolate breads, 2 cheese breads, and 2 coconut breads.
How much did Ira pay for her purchase?
-Ira paid Rp41,000.
What did Ria buy at the bakery?
-Ria bought 2 chocolate breads, 3 cheese breads, and 2 coconut breads.
How much did Ria pay for her purchase?
-Ria paid Rp43,000.
What did Ani buy at the bakery?
-Ani bought 2 chocolate breads, 2 cheese breads, and 3 coconut breads.
How much did Ani pay for her purchase?
-Ani paid Rp42,000.
Why did Bu Devi ask her daughters about the price of the breads?
-Bu Devi asked her daughters about the price of the breads because they forgot the individual prices of the different types of bread.
How did we calculate the prices of the individual breads?
-We set up equations based on the total prices and quantities purchased by each daughter. By solving these equations, we determined the price of each type of bread.