# 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?

h =  8
r =  14

### Step-by-step explanation:

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

2•h+3.5•r = 65
h+r=22

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

h = 8
r = 14

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