Answer:
His collection increased in a 20%.
Step-by-step explanation:
If 100% represents 10 records, what percentage would be for 12 records?
x = 12 100% / 10 = 120%
So, if we subtract 120% - 100%, it's gonna result in a difference of 20%, which means that 12 represents a 20% more, or his collection increased in a 20%.
Answer:
54
Step-by-step explanation:
8*7-12/6=56-2=54
Answer:
105 min
Step-by-step explanation:
60 minutes ÷ 4 miles= 15 minutes per mile
15min per mile x 7 miles = 105 minutes
Answer:
X=45
Step-by-step explanation:
45+3x=180
180-45=135
135/3=45
x has to be 45
x=45
