7th Grade Math

164 Rational Numbers

Evaluate each verbal expression.

34. one half of five eighths 35. four sevenths of two thirds


35. nine tenths of one fourth 37. one third of eleven sixteenths


36. GRAPHIC NOVEL Refer to the graphic novel frame below for
    Exercises a–b.

With a little

thinking,

you can help

us organize

this closet.

W

th

yo

us

th

a. If the height of the closet is 96 inches and Aisha would like to have 4 rows

of cube organizers, what is the most the height of each cube organizer

can be?

b. Aisha would like to stack 3 shoe boxes on top of each other at the

bottom of the closet. If the height of each shoe box is 4 _^12 inches, what

is the total height of the 3 boxes?

MEASUREMENT For Exercises 39–42, use measurement conversions.

39. Find 21 of 41 of a gallon. 40. What is 601 of 241 of a day?


40. Find _ 1001 of 1,000^1 of a kilometer. 42. What is 121 of _^13 of a yard?

ALGEBRA Evaluate each expression if a = 4, b = 2 21 , and c = 5 43.

43. a × b + c 44. b × c - a 45. 2 bc


44. TELEVISION One evening, ^23 of the students in Rick’s class watched
    television. Of those students, ^38 watched a reality show. Of the students
    that watched the show, _^14 of them recorded the show. What fraction of
    the students in Rick’s class watched and recorded a reality TV show?

4747 FOOD Alano wants to make one and a half batches Pasta Salad Recipe

Ingredient Amount

Broccoli 1 _^14 c

Cooked pasta 3 _^34 c

Salad dressing _^23 c

Cheese 1 _^13 c

of the pasta salad recipe shown at the right. How

much of each ingredient will Alano need? Explain

how you solved the problem.

48. MATH IN THE MEDIA Find examples of fractions in
    a newspaper or magazine, on television, or on the
    Internet. Write a real-world problem in which you
    would multiply fractions.

158_165_C3L3_895130.indd 164 12/31/09 12:41 PM