Oranges and apples

Mr. Novák bought 5 times more oranges than apples. One orange cost 8 CZK and one apple costs 12 CZK. He paid 156 CZK in total. How many oranges and apples did he buy?

Final Answer:

a =  15
b =  3

Step-by-step explanation:

8a+12b=156 a=5b  8 a+12 b=156 a=5 b  a5b=0  Row281 Row1Row2 6.5b=19.5  b=6.519.5=3 a=815612b=815612 3=15  a=15 b=3



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