During the year, James had saved $500 for his summer vacation. By the second week, he has $375 left and by the seventh week, he
1 answer:
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Answer:
10%
Step-by-step explanation:
Given:
Total number of racers = 270
Number of racers completed the race = 243
Number of racers gave up = 20
Now,
The number of racers who did not complete the race
= Total number of racers - Number of racers completed the race
= 270 - 243
= 27
Therefore,
The percentage of racers who did not complete the race
=
=
= 10%
Answer:
A)
B)
Step-by-step explanation:
In two years i.e. from 2013 to 2015 the car value decreases from $12500 to $8200.
a) If the rate of decrease is constant and it is r% per year, then
⇒ r = 17.2%
Therefore, the value of the car is given by , where, t is in years since 2013. (Answer)
b) If the rate of decrease is exponential and it is r%, then
⇒ r = 19%
Therefore, the value of the car is given by , where, t is in years since 2013. (Answer)