665 + 473 = 1,138 students.
1,138 ÷ 45 = 25.28888888888889
Estimated answer: 26 buses
Since it's
, move the decimal over 3 places to the right. When you do that the answer should now be
.
Hope this helps!
Answer:
B
Step-by-step explanation:
Answer:
1120 combinations of four teachers include exactly one of either Mrs. Vera or Mr. Jan.
Step-by-step explanation:
The order in which the teachers are chosen is not important, which means that the combinations formula is used to solve this question.
Combinations formula:
is the number of different combinations of x objects from a set of n elements, given by the following formula.
In this question:
1 from a set of 2(Either Mrs. Vera or Mr. Jan).
3 from a set of 18 - 2 = 16. So

1120 combinations of four teachers include exactly one of either Mrs. Vera or Mr. Jan.
24/100 or 12/50 are both equal to .24