The answer is c(4) because if you multiply 4 three times it equals 64
456.98-10-14.95-6.07-109.10-30=<span>286.86
So her new </span>checkbook balance is $286.86
David's score on his fifth test would be an 87. If you add up all the scores from his first to his fourth test, it would 363. However, since there are five tests, in order to get a 90 percent, the sum of all five test scores would be 450. 450 - 363 = 87.
There are 6 different ways:
23,598
23,958
25,398
25,938
29,538
29,358
