"For HELPCLICK only!!"_BIO II and College Math_forum-B

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collegemath_1_6-for-helpclick.ppt

Section 1.6

Problem Solving;

Interest, Mixture, Uniform Motion, Constant Rate Job Applications

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For uniform motion, the time required for an object to travel equals the distance traveled divided by the speed of the object.

The length of a rectangle is four times its width.

Five times a number, decreased by 3

The product of 3 and a number increased by 5

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If t is time, r is speed and d is distance, then

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Suppose you borrow $1000 for 6 months at the simple interest rate of 6% per annum. What is the interest you will be charged on this loan? If you pay the loan back at the end of 6 months, what is the amount you must pay?

After 6 months you would owe the amount you borrowed plus the interest: $1000 + $30.00 = $1030

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The manager should blend 60 pounds of B grade Colombian coffee with 100 – 60 = 40 pounds of A grade Arabica coffee.

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4

lw

=

53

x

-

35

x

+

d

t

r

=

(

)

1

1000(0.06)

2

I

æö

=

ç÷

èø

$30.00

=

(

)

8240

tt

+=

81640

tt

+=

1632

t

=

1

2

t

=