-7.14 should be your answer!
Answer:
He needs 7 more consecutive successful first serves to raise his first serve percentage to 60%.
Step-by-step explanation:
After n consecutive serves, his total number of serves is going to be n+8, since he has already served 8 times. In the best case, his number of successful first serves is n+2.
His percentage of succesful first serves is the division of the number of succesful first serves divided by the total number of serves. So

We want
. So







He needs 7 more consecutive successful first serves to raise his first serve percentage to 60%.
The commutative property of multiplication states that the order of multiplication of numbers does not matter.
Number Sentence:
2 * 3 = 3 * 2 = 6
Each qt has 2 pts in it.
13 qts add up to 26 pts.
That's more than 25 pts.
9x3x8/92=2.347 and that rounded =2.35.