Question

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?

Answer 1

Well, the mean of n numbers is the sum of the numbers divided by n.

Ashlynn has played 6 rounds and will play one more, so n = 7.

The mean will be
\[\frac{72+79+74+76+76+75+x}{7} = 75\]\(x\) is the value she needs to shoot.