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Citrus2011 [14]
3 years ago
10

Help with b please I don’t understand it

Mathematics
1 answer:
galben [10]3 years ago
8 0

Answer:

This is a 25% decrease

Step-by-step explanation:

percent change = (old - new)/old * 100 %

The new price is 15

The old price is 20

Since the new price is less than the old price, it is a decrease

percent change = (20-15)/20 * 100 %

                           = 5/20 * 100%

                            =.25 * 100%

                             = 25%

This is a 25% decrease

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A square has a perimeter of 28 yd. what is the length of each side
pashok25 [27]

Answer: The length of each side is 7 yards.

Step-by-step explanation: To solve the perimeter, you add each of the sides. A square has 4 sides of equal length. Divide 28 yards by 4 yards. Therefore, the answer is 7 yards per side.

4 0
3 years ago
6. Fred gave the cashier $20 to pay for 3 large bags of Takis . The cashier gave him $12.56 in change. Each bag of Takis cost th
Ira Lisetskai [31]

Answer:

$2.48

Step-by-step explanation:

He paid $20 and got $12.56 back so you subtract

20-12.56=7.44

So his total was 7.44 and he bought 3 bags so divide to find the individual price

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3 years ago
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Jobisdone [24]

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or

2/6

Because there are 6 sides on a die, and you are given 2 possible sides to roll on. This leaves you with 2/6, which translated to a fraction is %33.33

7 0
3 years ago
2x times -y or (2x)(-y)
ratelena [41]

Answer:

(2x)(-y)

Step-by-step explanation:

Both are technically correct, but (2x)(-y) is more professional. You can also say 2x * -y.

Hope this helps!

6 0
3 years ago
1) Alexa won 80 super bouncy balls playing horseshoes at her school's game night. Later, she gave two to each of her friends.
melisa1 [442]

Answer:1 is 36 friends. 2 is $24 as her weekly allowance. 3 is 37 students on each bus

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2. When we read the problem it says she spent half of her allowance on mini golf. The half is very important. She earns $20 from cleaning her parent’s car and ends up with $32 all you do is subtract the $20 from $32 because it’ll leave you with 1/2 the money she began with (32-20=12). Then she she already spent half of the money you can either add 12 or multiply the 12 by 2 to get your answer (12+12=24 or 12•2=24).

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4 0
3 years ago
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