Answer:
60
Step-by-step explanation:
Divide the number of questions answered correctly by his percentage
51 / 85 = 0.6
Now multiply that answer by 100 to see how many questions are on the quiz
0.6 x 100 = 60
Check your work by dividing that number by the number he answered correctly
51 / 60 = 0.85
Answer:
a = 0,-1
Step-by-step explanation:
a^2 + a=0
Factor out an a
a(a+1) =0
Using the zero product property
a=0 a+1 =0
a=0 a= -1
Answer:
28% increase
Step-by-step explanation:
your welcome *bows*
Answer:
6300
Step-by-step explanation:
T = 3 1/2 = 7/2
R = 3% = 3/100
P = 60,000
I = PRT
I =60,000×3/100×7/2
I =6300