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s344n2d4d5 [400]
3 years ago
8

Unit rate with complex fractions 7th grade!

Mathematics
1 answer:
Galina-37 [17]3 years ago
6 0

Use a proportion:

111/( 3/8) = x/ 1

Cross Multiply

   (3/8)x = 111

Multiply both sides by 8/3 ; reciprocal

          x = (8/3) (111)

          x = 296 miles

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4(2y−9) is the correct answer
6 0
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The ratio of the number of cars to the number of motorcycles in a parking lot is 10 : 3. The ratio of the number of motorcycles
Harman [31]
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3 0
3 years ago
A circular track is 1/4 mile long. Elena runs on this track, completing each lap in 1/20 of an hour. What is Elena's speed? Incl
svp [43]

Answer:

  5 mph

Step-by-step explanation:

The relation between speed, distance, and time is ...

  speed = distance/time

Filling in the given values, we find the speed to be ...

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3 0
3 years ago
Image is below, please help me fast i have 2 minutes left, thank you very much
Yuki888 [10]

Answer:

45

Step-by-step explanation:

1/3 of 90

= 1/3 * 90

= 90/3

= 30

Let the missing number be x.

2/3 of x

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= 2x/3

30 = 2x/3

Cross multiply,

2x = 30 * 3

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x = 90/2

x = 45

Hence,

the missing number is 45.

5 0
2 years ago
Can u please do question 1 about the cars
VLD [36.1K]
So, what you need do in this question is find two fifths of 30 6 goes into 30 5 times so 2 fives is 10 so the answer is 10
tell me if you have any questions.

3 0
3 years ago
Read 2 more answers
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