Pilgrimage 41951

Pavel spent CZK 315 on the pilgrimage in three days, doubling his spending every following day. How much CZK did he pay on the first day?

Correct answer:

x =  45

Step-by-step explanation:


x+2x+2·2·x=315

x+2·x+2·2·x=315

7x = 315


x = 315/7 = 45

x = 45

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