﻿ Unit Conversion Word Problems - Page 17 | Problems & Solutions

# Unit Conversion Word Problems - Page 17

Unit Conversion Word Problems
• Page 17
161.
How many days are there in 5 weeks 4 days?
 a. 43 days b. 34 days c. 39 days d. 35 days

#### Solution:

5 weeks = 5 x 7 = 35 days
[1 week = 7 days]

5 weeks 4 days = 35 + 4 = 39 days
[Simplify.]

162.
How many minutes are there in 5 weeks?
 a. 50300 min b. 50500 min c. 50400 min d. 50600 min

#### Solution:

Number of days in a week = 7

Number of hours in a day = 24

Number of minutes in an hour = 60

Number of minutes in a week = 7 x 24 x 60 = 10080 min

Number of minutes in 5 weeks = 10080 x 5 = 50400 min

163.
How many seconds make 3 days?
 a. 259000 s b. 259200 s c. 259300 s d. 259400 s

#### Solution:

= 24 x 60 = 1440 min
Number of minutes in a day
[1 day = 24 h and 1 h = 60 min]

= 1440 x 60 = 86400
Number of seconds in a day
[1 min = 60 s]

= 3 x 86400 = 259200
Number of seconds in 3 days
[Simplify.]

164.
Victor is 468 weeks old. Express his age in years.
 a. 12 years b. 11 years c. 10 years d. 9 years

#### Solution:

1 year = 52 weeks
[Formula.]

468 weeks = 468 / 52 = 9 years
[Use the formula to find age in years.]

Victor's age is 9 years.
[Simplify.]

165.
Find the approximate number of days in 7 years.
 a. 2355 days b. 2655 days c. 2555 days d. 2455 days

#### Solution:

1 year » 365 days

7 years » 7 x 365 » 2555 days

So, there are approximately 2555 days in 7 years.

166.
How many pints make one gallon?
 a. 16 pints b. 8 pints c. 12 pints d. 10 pints

#### Solution:

8 pints = 1 gallon

So, the equivalent of 1 gallon is 8 pints.

167.
How many cups are there in 2000 gallons?
 a. 40000 cups b. 28000 cups c. 32000 cups d. 36000 cups

#### Solution:

2000 gallons = 2000 x 16 = 32000 cups
[Since 1 gallon = 16 cups, multiply 2000 by 16 .]

There are 32000 cups in 2000 gallons.

168.
The length of the Golden Gate Bridge is 8981 feet. Identify its length in miles.
 a. 4.7 miles b. 2.7 miles c. 1.7 miles d. 3.7 miles

#### Solution:

8981 feet = 8981 ÷ 5280 = 1.7 miles
[Since 1 mile = 5280 feet, divide 8981 by 5280.]

The length of the Golden Gate Bridge is 1.7 miles.

169.
The height of a lighthouse is 375 feet. Express the height of the lighthouse in miles.
 a. 0.11 b. 0.07 c. 0.09 d. 0.1

#### Solution:

375 ft = 3755280 = 0.07 miles
[Since 1 mile = 5280 feet, divide 375 by 5280.]

The height of the lighthouse is 0.07 miles.

170.
The length of a wall is 15 feet. What is the length of the wall in yards?
 a. 5 yards b. 10 yards c. 4 yards d. None of the above

#### Solution:

3 feet = 1 yard
[Write yard in terms of feet.]

15 feet = 15 ÷ 3 = 5 yards
[Convert feet to yards, so divide 15 by 3.]

The length of the wall is 5 yards.