Download presentation

Presentation is loading. Please wait.

Published bySebastian Schofield Modified over 2 years ago

1
Problem Solving The quotient of a number and 2 minus 1/3 is the quotient of a number and 6. Find the number. LCD = 6 12.6 – Rational Expressions

2
If one more than three times a number is divided by the number, the result is four thirds. Find the number. LCD = 3x Problem Solving 12.6 – Rational Expressions

3
Mike and Ryan work at a recycling plant. Ryan can sort a batch of recyclables in 2 hours and Mike can short a batch in 3 hours. If they work together, how fast can they sort one batch? Time to sort one batch (hours) Fraction of the job completed in one hour Ryan Mike Together 2 3 x Problem Solving 12.6 – Rational Expressions

4
Time to sort one batch (hours) Fraction of the job completed in one hour Ryan Mike Together 2 3 x hrs. LCD =6x Problem Solving 12.6 – Rational Expressions

5
Pippen and Merry assemble Ork action figures. It takes Merry 2 hours to assemble one figure while it takes Pippen 8 hours. How long will it take them to assemble one figure if they work together? Time to Assemble one unit (hours) Fraction of the job completed in one hour Merry Pippen Together 2 8 x Problem Solving 12.6 – Rational Expressions

6
Time to Assemble one unit (hours) Fraction of the job completed in one hour Merry Pippen Together 2 8 x LCD: hrs. 8x Problems about Numbers 12.6 – Rational Expressions

7
A sump pump can pump water out of a basement in twelve hours. If a second pump is added, the job would only take six and two-thirds hours. How long would it take the second pump to do the job alone? Time to pump one basement (hours) Fraction of the job completed in one hour 1 st pump 2 nd pump Together x 12 Problem Solving 12.6 – Rational Expressions

8
Time to pump one basement (hours) Fraction of the job completed in one hour 1 st pump 2 nd pump Together x 12 Problem Solving 12.6 – Rational Expressions

9
LCD: hrs. 60x Problem Solving 12.6 – Rational Expressions

10
Distance, Rate and Time Problems If you drive at a constant speed of 65 miles per hour and you travel for 2 hours, how far did you drive? Problem Solving 12.6 – Rational Expressions

11
A car travels six hundred miles in the same time a motorcycle travels four hundred and fifty miles. If the car’s speed is fifteen miles per hour faster than the motorcycle’s, find the speed of both vehicles. RateTimeDistance Motor- cycle Car x x + 15 450 mi 600 mi t t Problem Solving 12.6 – Rational Expressions

12
RateTimeDistance Motor- cycle Car x x + 15 450 mi 600 mi t t LCD:x(x + 15) 12.6 – Rational Expressions – Problem Solving

13
x(x + 15) Motorcycle Car 12.6 – Rational Expressions – Problem Solving

14
A boat can travel twenty-two miles upstream in the same amount of time it can travel forty-two miles downstream. The speed of the current is five miles per hour. What is the speed of the boat in still water? boat speed x RateTimeDistance Up Stream Down Stream x - 5 x + 5 22 mi 42 mi t t 12.6 – Rational Expressions – Problem Solving

15
boat speed x RateTimeDistance Up Stream Down Stream x - 5 x + 5 22 mi 42 mi t t LCD:(x – 5)(x + 5) 12.6 – Rational Expressions – Problem Solving

16
Boat Speed (x – 5)(x + 5) 12.6 – Rational Expressions – Problem Solving

17
12.7 – Rational Expressions Simplifying Complex Fractions LCD:63 Outers over Inners

18
LCD: 12, 8LCD: 24 12.7 – Rational Expressions Simplifying Complex Fractions

19
LCD: y y–yy–y 12.7 – Rational Expressions Simplifying Complex Fractions

20
LCD: 6xy 6xy 12.7 – Rational Expressions Simplifying Complex Fractions

Similar presentations

OK

A first number is seven greater than a second number. Twice the first number is four more than three times the second number. What are the numbers? 4.3.

A first number is seven greater than a second number. Twice the first number is four more than three times the second number. What are the numbers? 4.3.

© 2018 SlidePlayer.com Inc.

All rights reserved.

Ads by Google

Ppt on industrial employment standing order act 1946 Kids ppt on batteries Ppt on types of pollution download Ppt on online railway reservation system File type ppt on cybercrime convention Ppt on class ab power amplifier Ppt on marketing management for class 12 Ppt on fibonacci numbers formula Ppt on green building materials Ppt on satellite orbit magazine