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# 1Math 50 : Elementary Algebra - page 7 / 15

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32.  A rectangle is 9 ft wide and ft long. Express as an integer the

minimum length, in feet, of the rectangle when the area is greater

than 207.  ( The area of a rectangle is equal to its length times its

width.)

Inequality:

33.  A student’s grades on five math exams were 68, 82, 90, 73, and 95.

Each exam has  maximum 100 points. In order to receive a B, the

student must get 80% or better. What scores on the sixth test will

enable this student to receive a B in the math course? ( Describe all

possible scores.)

Set up the inequality:

34.  How many ounces of water evaporated from 60 oz of a 12% salt

solution to produce a 16%  salt solution? (Hint: water has no salt.)

Amount

Percent

= Quantity (pure salt)

Water

0

12%

.12

16%

.16

35. A television selling for \$1260 has a markup of \$320. Find the

36. The total value of the dimes and quarters in a bank is \$6.05 There are

six more quarters than dimes. Find the number of each type of coin in the bank.

Coin

Number

Value

Total Value

Dimes

10

Quarters

25

Total

605

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