Preparation 73954

Ivana was preparing for Testing 9. On the first day, she calculated a quarter of all calculated tasks; on the second day, a sixth; on the third, a fifth; on the fourth, only an eighth; and on the last day, she solved 31 tasks. How many tasks did she recalculate in total in preparation for Testing 9?


Correct answer:

x =  120

Step-by-step explanation:

6x+4x+5x+8x+31=x  x/6+x/4+x/5+x/8+31=x  31x=3720  x=313720=120  x=120

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