The bun

The bun costs CZK 2 and the rolls CZK 3.5. Hanka bought 22 pieces of bread, bought only buns and rolls and paid CZK 65. how many rolls did she buy and how many rolls?

Correct answer:

h =  8
r =  14

Step-by-step explanation:

2h+3.5r = 65

2•h+3.5•r = 65

2h+3.5r = 65
h+r = 22

h = 8
r = 14

Our linear equations calculator calculates it.

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