Answer:
1. 1035 words
2. 21.74 min
Step-by-step explanation:
1. 23 words per min × 45min = 1035 words
2. 500 words/ 23 words per min= 21.74 min
Answer:
15 questions correct
15/20 = 75%
each 5 questions is 25 percent of the 100% so 3 x 5 = 15 = 75%
Step-by-step explanation:
Answer:
xn = n·(n + 1)/2
Step-by-step explanation:
<span>----
Solve for "x":
x + 4y = 24
x + 16 = 24
x = 8
-----------------
Solution: (8,4)</span>