Increase 69844

In April, a loaf of bread costs 42 CZK. Compared to March, this is an increase of 5 percent. What was the price a month ago?

Correct answer:

a =  40 Kc

Step-by-step explanation:

b=42 Kc r=100%+5%=1+1005=1.05  a r=b a 1.05=42  1.05a=42  a=1.0542=40  a=40=40 Kc



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