You can use compatible numbers to estimate quotient because they are easy to compute with mentally.
Hope this helps.
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First, we must find the unit rate in other words, we must find how much miles the car travels in 1 hour or vice-versa.

Now, plug in the ten instead of a 1 in the proportion of,

This is simply because 1*10=10 and 43*10=430.
I hope this helps!!
Answer:
d = 10 inches
Step-by-step explanation:
It is given that,
The length, breadth and the height of a rectangular box is 8 inches×10 inches ×6 inches
We need to find the length of its longest diagonal.
In a rectangle, 6 inches will act as perpendicular and 8 inches will be base. The diagonal can be calculated using Pythagoras theorem as follows :

So, the length of its diagonal is 10 inches.
"A" = amount you will ultimately have in the account (A=1200+200=1400)
"P" = amount you started with, aka principal (p=1200)
"i" = interest rate per year (i=9%)
"m" = number of compounding periods per year (Quarterly means m=4)
"n" = number of years (n=??? - this is what you're solving for)
Plug into the formula and solve for N.
So it takes approx 1.732 years (20.78 months) to earn $200 of interest.