Today:June 6

2014

Make-Up Tests? Final Exam Review Final Topic : Word

Problems

Notes: Alt.Khan Available Now

Notebooks to be submitted on June 11th

Only 2 more class work grades this year

Grades for every test this quarter are posted at v6math

Warm-Up:

1. -4 + 7 |7v – 6| = 52

Final Exam Review:

|ABSOLUTE

VALUE |

2. |9 + 4X| + 2 = 11

Final Exam Review:

Graph the following:

Final Exam Review:

Final Exam Review:

Compound Inequalities:

Final Exam Review:

Final Warm-Up

Question:

Word Problems:Mixture, Coin, Work, Distance

Mixture Type Problems

A store mixes some candy worth $3.50 a pound with other candy costing $1.00/lb. There are 10 more pounds of the cheaper candy than the more expensive one. The total value of the mixture is $28. How many pounds of each type of candy are there?

Expensive

$3.50/ lb x lbs.

3.5x

Cheaper

$1.00/ lb x + 10

lbs.1(x + 10)

Mix

+ =

3.5x + 1.0x +10 = 28 x = 4; x + 10 = 14

$28

Mixture Type Word Problems:

Mixture Type Word Problems:

Redtop

$9.50/ lb 40 lbs. $9.50(40)

Mixture

$10.50/ lb 60 lbs. $10.50(60)

Bluegrass

x

100 lbs.

100x

$9.50(40) + $10.50(60) = 100x

x = $10.10

Gourmet

$8.00/ lb 10

lbs. $8.00(g)

$6.00/ lb

Regular

$6.75/ lb

g lbs. (10 - g) lbs.

$6.00 (10 - g)

Mixture

$6.75(10)

g = 3.75; r = 6.25