76. Typography A point is a unit of length that can be used to measure the distance between two lines of text. Font sizes are often stated in points. Capital letters measure two thirds of the stated point size, as shown in the diagram for a font size of 48 points. There are 72 points in 1 inch. What point size produces capital letters that are 1 2 1 half  in. tall?

    

    C Challenge

77. Reasoning In a school's musical, a choir member sang in the backup chorus for half the songs in the show, which was 12 songs. A student concludes that one half of 12 is 6, so there were 6 songs in the show. Write an equation that would help the student understand the correct number of songs in the musical.
78. Cooking Uncooked rice has about 4 13 4 thirteenths  the weight of cooked rice. You want to make 6.5 lb of rice for a recipe. How many pounds of uncooked rice do you need?

Standardized Test Prep

SAT/ACT

79. Luis helped raise money for his school by jogging in the school jog-a-thon. The total amount of money he raised can be represented by the expression 1.75m, where m is the number of miles he jogged. If Luis raised a total of $21, how many miles did he jog?
    1. 12
    2. 19.25
    3. 22.75
    4. 36.75
80. What operation should you use to solve 14 + c = 39?
    6. squaring
    7. subtraction
    8. multiplication
    9. division
81. Sonya is checking orders at the fabric store where she works. Some of the orders are in decimals and some are in fractions. Which of the following statements is not true?
    1. 10 4 = 2.5 10 over 4 , equals 2.5
    2. 1.3 = 1 1 3 1.3 equals , 1 , and 1 third
    3. 0.03 = 3 100 0.03 , equals , 3 100ths
    4. 6 5 = 1.2 6 fifths , equals 1.2

Mixed Review

See Lesson 1-9.

82. If the pattern shown in the table continues, what amount will have been raised by Week 5?

    Scholarship Funds

    Week	0	1	2	3
    Amount (thousands)	0	2	4	6

See Lesson 1-4.

Simplify each expression. Justify each step.

83. 4(13x)
84. 2.2 + ( 3.8 − x ) 2.2 plus open 3.8 minus x close
85. ( m + 4.5 ) − 0.5 open m plus 4.5 close minus 0.5

Get Ready! To prepare for Lesson 2-2, do Exercises 86–88.

See Lesson 1-2.

Simplify each expression.

86. 2 [ 2 − ( 2 − 3 ) − 2 ] 2 left bracket 2 minus open 2 minus 3 close minus 2 right bracket
87. ( 1 2 + 1 3 ) 2 open . 1 half , plus , 1 third . close squared
88. − 1 + 2 · 3 − 4 negative 1 plus 2 middle dot 3 minus 4

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