alinaramos1998 alinaramos1998

29-03-2017
Mathematics

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Ashlynn played six rounds of golf. Her scores were 72.79,74,76,76, and 75. She really wants to have an mean of 75 after her next round of golf. What must she shoot in order to have an mean of 75?

Respuesta :

mukushla mukushla

29-03-2017

Well, suppose she gets x points in 7th round. Then she wants mean to be 75, meaning

(72+79+74+76+76+75+x)/7=75

Can you find x from here?

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