72:80
9:10
Divide 72 and 80 by 8 to simplify it and get the ratio
Answer:
Step-by-step explanation:
Let the numbers of steps you can take to reach your goal be x
Your goal is to take at least 10,800 steps per day and you have walked 7370 steps already.
x + 7370 >= 10800
x >= 10800 - 7370
x >= 3430
Answer:
84/90
Step-by-step explanation:
Let 0.9333....... be x.
10x = 9.3333....... & 100x = 93.33333.......
So,
=> 100x - 10x = 93.33333...... - 9.333333.....
=> 90x = 84
=> x = 84/90
Answer:
C.
Step-by-step explanation:
A. 39 = 3 × 13; not prime
B. 33 = 3 × 11; not prime
C. 43 = 1 × 43; prime
D. 51 = 3 × 17; not prime
Answer: C.
