Coins were developed as a medium of exchange because other items like cows, grain, and land were more difficult to move from pla
2 answers:
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First, set up a ratio: 
The first fraction is the percentage (30% and
are the same thing) and the second is the loan payment (which is equal to the 30 in the first fraction) over their annual income (
).
First you divide $15,680 by 30, then multiply that quantity by 100. The value calculated then replaces in your second fraction: 
The first fraction is the percentage (30% and
First you divide $15,680 by 30, then multiply that quantity by 100. The value calculated then replaces
Answer:
5253 out of 5255 times.
Step-by-step explanation:
Being that the we are determining the probobility of it not bein defecteve, then we simply count the bolts not defective rather then defective ones. We can do this simply by subtracting the defective bolts from 1, or total bolts recieved.
Which is the equation that gives us the answer,