Lesson 4 Problem-Solving Practice

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Lesson 4 Problem-Solving Practice Multiply Mixed Numbers FOOD For Exercises 1–3, use the table. The table shows Keith’s food

options for a 7-day outdoor survival course. Food Options for 7-Day Outdoor Survival Course Peanut butter Dried noodles/rice Dried fruit/nuts Concentrated juice boxes Beef jerky Powdered milk Dehydrated soup Canned tuna/meat 1 1. Keith plans on eating 1− cups of tuna 4

1 6− cups; no 4

5 2 14 − cups 3 1 cups 6− 6 1 cups 8 boxes = 16 − 4 1 cups 3− 3 4 cups 1 box = 8 − 5 2 cups 5 packages = 15 − 3 3 cups 4 cans = 5 − 5

2. Keith would like to bring enough concentrated juice in order to have 1 2− cups available per day. How much 4 juice does he need and is 8 boxes of concentrated juice enough?

3 15 − c; yes 4

3. Six other students have been advised to bring the same menu on the course. How many cups of dried fruits and nuts will the students be bringing all together?

1 43 − c

4. MEASUREMENT Fahad wants to put a 1 large mural on a wall that is 9 − feet 3

1 long and 8 − feet wide. Find the area of 8

the wall. If the mural is 100 square feet, will it fit on the wall?

5 2 75 − ft ; no

6

6

1 batches 5. PAINTING Pia is mixing 3 − 5

of tempera paint. If one batch calls for

2 punch, Landon needs 2 − cups of

3 2− tablespoons of detergent to add

blackberry juice. If he wants to make

to the tempera powder, how many tablespoons of detergent will Pia need?

3 2− batches of punch, how many cups

4 8− tbsp

1 7− c

4

5

60

6. COOKING To make a batch of fruit 3

4

of blackberry juice will he need?

3

Course 1 • Chapter 4 Multiply and Divide Fractions

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per day for five days. How much tuna does he need? Is 4 cans enough?

3 cups 1 plastic jar = 4 −