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OleMash [197]
3 years ago
14

72

Mathematics
1 answer:
Rzqust [24]3 years ago
6 0

Answer:

36

Step-by-step explanation:

The way to read this question would go: What is 72% of 50 because that will get you the number of correct solutions. When reading a statement like that, the word "of" means to multiply. However, before we multiply those two values we have to convert the value "72" into percent form. To do that you just divide it by 100 to get 0.72. Then following the statement, you would do 0.72*50 to get your final value of 36 correct questions

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Jen Butler has been pricing​ Speed-Pass train fares for a group trip to New York. Three adults and four children must pay $ 99. 
8090 [49]

Answer:

An adult ticket is 17

A childs ticket costs 12 dollars

Step-by-step explanation:

Let a = adult price

c = child price

3a + 4c = 99

2a + 3c = 70

Multiply the first equation by 2

2(3a + 4c) = 99*2

6a + 8c = 198

Multiply the second equation by -3

-3 (2a + 3c) = 70*-3

-6a -9c = -210

Add these new equations together

6a + 8c = 198

-6a -9c = -210

----------------------

     -c = -12

Multiply by -1

        c = 12

A childs ticket costs 12 dollars

Now we need to find the price of an adult ticket

2a + 3c = 70

2a + 3(12) = 70

2a +36 = 70

Subtract 36 from each side

2a +36-36 =70-36

2a = 34

Divide by 2

2a/2 = 34/2

a = 17

An adult ticket is 17

7 0
4 years ago
Please help I'll give brainliest to the correct person
elena55 [62]

Answer:

the first one because supplementary means angles which add up to 180 and 180 degrees is a straight line and the third one because they both share the same vertex and side

Step-by-step explanation:

8 0
3 years ago
The school band is selling magazine subscriptions to raise funds for a trip. The order form lists 90 different magazines and off
Shkiper50 [21]
Would it be 270? if you take 90 3 times. due to that there are 3 different durations.
8 0
3 years ago
Read 2 more answers
Linda. owed 8 lawns this week and earned $56. how much would Linda have earned if she had mowed 10 lawns?
Drupady [299]
56 / 8 = 7
7 * 10 = 70

She would have earned $70

6 0
3 years ago
How do I solve this? 25 points
Bad White [126]

Answer:

66

Step-by-step explanation:

Both bottom angles are equal

So x+x+48=180

Subtract 48 from both sides

So 2x=132

Divide both sides by 2

x=66

6 0
3 years ago
Read 2 more answers
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