Go through the Math in Focus Grade 5 Workbook Answer Key Chapter 4 Practice 5 Real-World Problems: Multiplying Mixed Numbers to finish your assignments.
Math in Focus Grade 5 Chapter 4 Practice 5 Answer Key Real-World Problems: Multiplying Mixed Numbers
Solve. Show your work.
Question 1.
At a party, there are 8 guests. Each guest eats 2\(\frac{1}{4}\) oranges.
How many oranges do the 8 guests eat?
1 guest → 2\(\frac{1}{4}\) oranges
8 guests → ___ × ____ oranges
= _____
The 8 guests eat a total of ___ oranges.
Answer:
The 8 guests eat a total of 18
oranges.
Explanation:
1 guest → 2\(\frac{1}{4}\) oranges
8 guests → 8 × \(\frac{9}{4}\) oranges
= 18
Question 2.
One pound of chicken costs $3. Jim buys 8\(\frac{2}{3}\) pounds of chicken. How much does Jim pay for the chicken?
Answer:
One pound of chicken = $3
8\(\frac{2}{3}\) x 3
Explanation:
Question 3.
Nolan practices the piano for 1\(\frac{2}{5}\) hours every Saturday and Sunday. How long does he practice each weekend? Express your answer in hours and minutes.
Answer:
he practiced 2 hours 48 minutes
Explanation:
1\(\frac{2}{5}\) hours on Saturday
1\(\frac{2}{5}\) hours on Sunday
1\(\frac{2}{5}\) + 1\(\frac{2}{5}\)
2\(\frac{4}{5}\)
1 hour = 60 minutes
5 parts of 60 = 5 x 12 = 60
60 – 12 = 48
so, he practiced 2 hours 48 minutes
Solve. Show your work
Question 4.
Sue buys 5 pieces of fabric. Each piece of fabric is 1\(\frac{7}{10}\) yards long.
a. What is the total length of the fabric she buys?
Answer:
Sue buys 5 pieces of fabric.
Each piece of fabric is 1\(\frac{7}{10}\) yards long.
b. One yard of the fabric costs $5. How much does she pay for all 5 pieces of fabric?
Answer:
One yard of the fabric costs $5.
she pay for all 5 pieces of fabric
5 x 5 = 25
She paid $25
Question 5.
Angela works 1\(\frac{1}{2}\) hours a day and is paid $7 per hour. She works 5 days a week. How much does Angela earn in 7 weeks?
Answer:
Angela works 1\(\frac{1}{2}\) hours a day and is paid $7 per hour.
1\(\frac{1}{2}\) x 7
She works 5 days a week.
5 x 10\(\frac{1}{2}\)
= 50\(\frac{5}{2}\)
= 52\(\frac{1}{2}\)
Angela earn in 7 weeks
7 x 52\(\frac{1}{2}\)
Explanation:
7 x 5 = 35
35 x 7 = 245
245 x 1\(\frac{1}{2}\)
367\(\frac{1}{2}\)