Answer: 23 minutes
Step-by-step explanation:
4x + 8 = 100
100 is 8 more than 4 times of minutes than last week.
X = minuted she studied last week.
Find x
4x = 100 - 8
4x = 92
x = 92/4
x = 23 minutes
Answer:
it's the second one..............
5^-3=0.008
1/2=0.5
0.5*0.008=0.004
5/0.004=1250