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3 years ago

A sandwich decrease from $8 to $6 what is the percentage decrease

Mathematics

1 answer:

kati45 [8]3 years ago

4 0

Answer:

25%

Step-by-step explanation:

First find the difference in price= $8-$6 = $2

Now, find percentage decrease in the price of sandwich.

Percentage decrease= (difference in price/ original price) *100

= $\frac{2}{8}$ *100

= $\frac{200}{8}$

Percentage decrease=25%

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3[x + 3(4x – 5)] = 15x – 24

Alex17521 [72]

Answer:

$\boxed{ \bold{ \huge{ \boxed{ \sf{x = 0.875}}}}}$

Step-by-step explanation:

$\sf{3[ x + 3(4x - 5)] = 15x - 24}$

Distribute 3 through the parentheses

⇒ $\sf{3[ x + 12x - 15 ] = 15x - 24}$

Collect like terms : 12x and x

⇒ $\sf{3[ 13x - 15 ] = 15x - 24}$

Distribute 3 through the parentheses

⇒ $\sf{39x - 45 = 15x - 24}$

Move 15x to left hand side and change it's sign

Similarly, move 45 to right hand side and change it's sign

⇒ $\sf{39x - 15x = - 24 + 45}$

Collect like terms

⇒ $\sf{24x = - 24 + 45}$

Calculate

⇒ $\sf{24x = 21}$

Divide both sides of the equation by 24

⇒ $\sf{ \frac{24x}{24} = \frac{21}{24}}$

Calculate

⇒ $\sf{x = 0.875}$

Hope I helped!

Best regards! :D

5 0

3 years ago

Eleven more than six times a number is twenty-three

Natali5045456 [20]

$11+6x=23 \\ \\ 11+6x-11=23-11 \\ \\ 6x=12 \\ \\ \frac{6x}{6}= \frac{12}{6} \\ \\ x=2$

4 0

3 years ago

Read 2 more answers

Please help me with this

Andrews [41]

Greatest is Ava

Mary is in the middle

least is Phoebe

One kilogram is equal to 1000 grams so if you know that the rest of the problem is easy to figure out :)

8 0

1 year ago

You might need:

n200080 [17]

Answer: 33%

Step-by-step explanation:

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3 years ago

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1. A car dealership marks up their cars 7% in order to make a profit. Find the selling price

matrenka [14]

Answer:

1) selling price is 1.07 multiplied by whatever they paid for the car

2) selling price is $1.35

Step-by-step explanation:

2) to get 80% markup on 0.75 you can multiply 0.75 x 1.8

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3 years ago