Explanation: 54 yards is about 162 feet, and since we are converting measurements we need this ( duh ) and 135 seconds is approximately 2.25 minutes, so what we need to do is is divide the numbers like any conversion problem: 162 divided by 2.25 is 72.
Hope this answer helps!
Answer:
1.932 days (or approximatelly 1 day, 22 hours and 22 minutes)
Step-by-step explanation:
The inicial concentration is 60,000, and this concentration triples every 4 days, so we can write the equation:
P = Po * r^t
where P is the final concentration after t periods of 4 days, Po is the inicial concentration and r is the ratio that the concentration increases (r = 3)
Then, we have that:
102000 = 60000 * 3^t
3^t = 102/60 = 1.7
log(3^t) = log(1.7)
t*log(3) = log(1.7)
t = log(1.7)/log(3) = 0.483
so the number of days that will take is 4*0.483 = 1.932 days (or approximatelly 1 day, 22 hours and 22 minutes)
$148 is how much you want. You already have $40.
$148 - $40 = $108. You need to make $108 more.
You get $12 per yard.
$108 ÷ $12 = 9. So, you will need to do 9 more yards to get your goal of $148.
Final Answer: 9 yards.
The problem = n - 8 = -4
Switch it around and it becomes:
-4 + 8 = n
-4 + 8 = 4
n = 4
~Hope this helped~
