Answer:
7/10 or 0.7
Step-by-step explanation:
a probability is always the ratio of possible cases over all cases.
"all cases" here is 100.
possible cases are all iPads not cracked in the inventory = 70 (because 30 are cracked, that leaves 100-30=70 not cracked).
so, the probability to select a non-cracked unit is
70/100 or simplified 7/10 (or 0.7)
Answer:
Step-by-step explanation:
If 70 is 50% then 140 is 100%.
c is 75% of 140 = 105
a is 25% of 140 = 35
b is 100% of 140 =140
Answer:
360 mg.
Step-by-step explanation:
The medicine has a decay rate of 40% in 25 hours, which means after 24 hours its amount will be 100% - 40% = 60% it's original value.
Let us call the number of hours passed and the number of 24-hours passed, then we know that
.
Now, the amount of medicine left after time (<em>d</em>th 24-hour) will be
and since , we have
We now use this equation to find the final amount after :
Answer:
6.24
Step-by-step explanation:
3/4=.75
.75*8=6.24
Given :
Insurance cost , $693.00 .
Gas cost , $452.00 .
Average charge per fare , $7.00 .
Tuition fee , $3280.00 .
To Find :
The fare he have to get to pay his fee .
Solution :
Let , number of fair required is n .
Therefore , total profit is :
Now , to pay his fee this profit must be equal to his fee because he don't have other expenditure .
So ,
But number of rides cannot be in decimal so minimum rides he must get is
632+1 = 633 .
Hence, this is the required solution .