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Math 233A Homework 8: Problem Solutions for Chapter 2.4, Exercises of Algebra

Baddi University of Emerging Sciences and TechnologiesAlgebra

Solutions to additional application problems in math 233a homework 8, chapter 2.4. These problems involve calculating time, distance, and rates for cars and trucks, as well as finding the quantities of different priced coffee beans to create a mixture with a specific price.

Typology: Exercises

2012/2013

Uploaded on 01/07/2013

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Math
233A
Homework
#8
Chapter 2.4:
Additional
Application
Problems
Name
1. A car and a truck
enter
the freeway at the
same
time, heading the
same
direction. The car
goes
73 mph
and the truck
goes
67 mph. How many hours
will
it take for them to be 21 miles
apart?
Let
Rate
Time
Distance
Car
Truck
Equation:
- =
*.
/ V. y \
V
V V
car'sdistance
truck's
distance distance
between
tliem
2.
Say you and your friend are hanging out at a taco stand next to the freeway entrance.
Your
friend
finishes her lunch and hops on the freeway going 60 mph. Fifteen minutes later, you realize she forgot
her purse, so you hop on the freeway going 75 mph. How long
does
it take you to catch up to her, and
how
long has she been driving?
Let
=
Then
=
Rate
Time
Distance
Your
friend
You
Equation:
=
friend's
distance
your
distance
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Download Math 233A Homework 8: Problem Solutions for Chapter 2.4 and more Exercises Algebra in PDF only on Docsity!

Math 233A Homework # Chapter 2.4: Additional Application Problems

Name

  1. A car and a truck enter the freeway at the same time, heading the same direction. The car goes 73 mph and the truck goes 67 mph. How many hours will it take for them to be 21 miles apart?

Let Rate Time Distance Car

Truck

Equation: (^) *. / - (^) V. y = __ car'sdistance^ V^ truck's distanceV^ distance between tliemV

  1. Say you and your friend are hanging out at a taco stand next to the freeway entrance. Your friend finishes her lunch and hops on the freeway going 60 mph. Fifteen minutes later, you realize she forgot her purse, so you hop on the freeway going 75 mph. How long does it take you to catch up to her, and how long has she been driving?

Let = Then = Rate Time Distance Your friend

You

Equation: = friend's distance your distance

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  1. How many pounds of chocolate coffee beans, that sell for $2.80 per pound, should a local coffee house mix with 2 pounds of vanilla coffee beans, that sell for $1.60 per pound, to make a mixture that sells for $2,56 per pound?

Let = Then =

Equation:

  1. A nurse needs 24 L of 45% solution. She only has an 80% solution and a 20% solution that she can use to make the mixture. How many liters of each solution will be needed to make the 45% solution mixture?

Let = Then =

Equation:

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