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3 years ago

15

Lexi needs 144 beads. A large box holds 100 beads. A medium box holds 10 beads. A small box holds 1 bead. Lexi already had 1 lar

ge box and 4 small boxes. How many medium boxes of beads does she need?

1 answer:

Readme [11.4K]3 years ago

7 0

She will need 4 medium boxes

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How much salt is in a mixture containing 10 gal of an 11% salt solution and 6 gal of a 7% salt solution

Helga [31]

In a 10 gal of an 11% salt solution,

11% of 10 gal are sal.

11% *10 gal=(11/100)*10 gal =0.11*10 gal = 0.1 gal is salt.

Similarly, 0.07*6 gal= 0.42 gal is salt of the 6 gal in the second solution.

The mixture is 10 gal +6 gal = 16 gal, and contains a total of

0.1 gal +0.42 gal = 0.52 gal of salt.

0.52 = x% of 16

0.52=x%*16

x=(0.52/16)*100=0.0325*100=3.25

Answer: there is 0.52 gal of salt in the mixture, that is 3.25%

4 0

3 years ago

12 pack for $3.50

vlada-n [284]

The savings per unit between the best deal and worst deal is about $0.06

$\texttt{ }$

<h3>Further explanation</h3>

Let's learn about the basic formula about Profit and Loss

$\texttt{Profit = Selling Price - Cost Price}$

$\texttt{Selling Price = Cost Price ( 100\% + Profit\% )}$

$\texttt{Loss = Cost Price - Selling Price}$

$\texttt{Selling Price = Cost Price ( 100\% - Loss\% )}$

<em>Let us tackle the problem !</em>

$\texttt{ }$

<em>12 pack for $3.50 → 144 pack for </em> $\$ 3.50 \times \frac{144}{12} = \$ 42$

<em>24 pack for $6.00 → 144 pack for </em> $\$ 6.00 \times \frac{144}{24} = \$ 36$

<em>36 pack for $8.50 → 144 pack for </em> $\$ 8.50 \times \frac{144}{36} = \$ 34$

<em>48 pack for $11.75 → 144 pack for </em> $\$ 11.75 \times \frac{144}{48} = \$ 35.25$

$\texttt{ }$

<em>From information above, we can conclude that:</em>

The Best Deal → 36 pack for $8.50

The Worst Deal → 12 pack for $3.50

$\texttt{ }$

<em>The savings per unit between the best deal and worst deal :</em>

$( \$ 3.50 \div 12 ) - ( \$ 8.50 \div 36 ) = \$ (\frac{1}{18}) \approx \boxed {\$ 0.06}$

$\texttt{ }$

<h3>Learn more</h3>

Infinite Number of Solutions : brainly.com/question/5450548
System of Equations : brainly.com/question/1995493
System of Linear equations : brainly.com/question/3291576
Student's Shirt : brainly.com/question/909783

<h3>Answer details</h3>

Grade: Middle School

Subject: Mathematics

Chapter: Percentage

Keywords: Linear , Equations , 1 , Variable , Line , Gradient , Point , Multiplication , Division , Exponent , PEMDAS , percentange , percent , cookies , chocolate , chip , paper , fourth , pieces

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3 years ago

What is the area of the shaded region? Use 3.14 for pi and round to the nearest tenth.

never [62]

Answer:

la respuesta es la B

Step-by-step explanation:

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4 years ago

The data shows the number of T-shirts sold at Tasha's Tees each day over 10 days.

Svetllana [295]

A,nswer:

1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23

Step-by-step explanation:

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3 years ago

Will give brainliest!!! The MTC Theater holds 250 people, and last night’s performance sold out! Students under the age of 16 pa

Marina86 [1]

Answer:

Student's tickets: 60

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I think this is right

Step-by-step explanation:

"Let x represent the number of tickets sold to students under the age of 16. Let y represent those over the age of 16.

Equation 1, number of tickets sold:

The total number of tickets sold to students under the age of 16 plus the number of tickets sold to students over 16 must equal 250 (since the theater was sold out). The equation becomes:

x + y = 250

Equation 2, revenue from tickets sold.

The total revenue was $910. The cost of tickets under 16 is $2.50 and the cost of tickets over 16 is $4.00. The equation becomes:

2.50 * x + 4.00 * y = 910.00

The system of equations to solve is:

x + y = 250

2.50 * x + 4.00 * y = 910.00 "

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3 years ago