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2 years ago

7

the reduced play sells cranberries in bulk for $2.50 per pound the store also sells 8 oz of package of cranberries for $1.50 whi

ch buys better

1 answer:

olga2289 [7]2 years ago

6 0

The 8 oz for $1.50

Cost/Measurements
1 pound = 16 onces

$2.50/16 oz= about 16 cents per ounce
$1.50/8 oz= about 19 cents peronce

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Elza [17]

Answer:

$(b)\ 2x - 9 = -1$

$(c)\ -2x + 12 = 4$

$(e)\ 2(x - 10) = -12$

Step-by-step explanation:

Required

Which equals $x = 4$

$(a)\ 2x + 6 = 2$

Collect like terms

$2x = 2 - 6$

$2x = -4$

Divide both sides by 2

$x = -2$

$(b)\ 2x - 9 = -1$

Collect like terms

$2x = -1 + 9$

$2x = 8$

Divide both sides by 2

$x = 4$

$(c)\ -2x + 12 = 4$

Collect like terms

$-2x =- 12 + 4$

$-2x =-8$

Divide both sides by -2

$x = 4$

$(d)\ 2(x + 2) = 10$

Divide both sides by 2

$x + 2 =5$

Collect like terms

$x = 5-2$

$x = 3$

$(e)\ 2(x - 10) = -12$

Divide both sides by 2

$x - 10 = -6$

Collect like terms

$x = 10 - 6$

$x = 4$

Hence, the equations with the required solution are:

$(b)\ 2x - 9 = -1$

$(c)\ -2x + 12 = 4$

$(e)\ 2(x - 10) = -12$

3 0

2 years ago

A rectangular swimming pool that is 10 ft wide by 16 ft long is surrounded by a cement sidewalk of uniform width. If the area of

Alchen [17]

We are asked to solve for the width "x" in the given problem. To visualize the problem, see attached drawing.
We have the area of the swimming pool such as:
Area SP = l x w
Area SP = 10 * 16
Area SP = 160 feet2
Area of the swimming pool plus the sidewalk with uniform width:
Area SP + SW = (10 + x) * (16 + x)
160 + 155 = 160 + 10x + 16x + x2
160 -160 + 155 = 26x + x2
155 = 26 x + x2
x2 + 26x -155= 0
Solving for x, we need to use quadratic formula and the answer is 5 feet.

The value of x is <span>5 feet. </span>

5 0

2 years ago

What is the result when the number 4 is decreased by 25%?

OleMash [197]

4/4=1. So we need to subtract 1 from 4 to get the final Answer which is 3.

6 0

2 years ago

Read 2 more answers

1. Solve the following expression if b=8. 10 b2(2=squared)

irakobra [83]

Answer:

640

Step-by-step explanation:

In order of operations, do exponents before multiplying.

8 squared= 64

64 x 10=640

8 0

2 years ago

A mixture contains five quarts of acid and water and is forty percent acid. If the mixture is to be weakened to thirty percent a

kirill115 [55]

In five quarts, we have 2 quarts of acid and 3 quarts of water
total = (2 + 3) = 5 quarts
concentration = 2 / 5

We want a 30% concentration
total volume = 2 + x
.30 = 2 / (2+x)
.6 + .30 x = 2
.30x = 1.4
x = 4.66666 gallons of water
(or we need to add 1.666666 gallons of water)

Double Check:
acid concentration = 2 / (2 + 4.666666)
acid concentration = .30

4 0

2 years ago

Read 2 more answers