Jacob Is Twice as old as Sue. The sum of their ages is 69 years. How old is Jacob?

Answers

Answer 1

Answer: $x-Sue\n2x-Jacob\n\nx+2x=69\n\n3x=69\ \ /:3\n\nx=69:3\n\nx=23-Sue\n\n2x=2\cdot23=46-Jacob\n\nAnswer:Jacob\ is\ 46.$

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Please show you work Thankyou :)

Answers

Answer:

it would be D i cant exactly show work but if you download photo math itll show you how to get the answer and that its correct :)

Kiera's dance class starts at 4:30 p.m. and ends at 6:15 p.m. How long is her dance class?

Answers

Her dance class is 1 hour and 45 minutes.

This is because there is 1 hour from 4:30 to 5:30. Then, there is 45 minutes from 5:30 to 6:15

Good luck!

If Kiera's dance class starts at 4:30 p.m. and ends at 6:15 p.m. then how long is it? Lets find out. The way I solved it would be to count by hours. 4:30 to 5:30 is one hour. 5:30 to 6:30 is 2 hours. But 6:30 is too much time. So now you take away the required amount to make it 6:15. You have to take away 15 minutes. So 2 hours minus 15 equals 1 hour and 45 minutes.
Kiera's dance class was 1 hour and 45 minutes long.

Solve for the missing variable :> thank you

Answers

1. 3x+16 = 5x-54

-3x -3x

16=2x-54

+54 +54

70 = 2x

35=x

2. 4x-10 = 58

+10 +10

4x = 68

x=17

3. 2x+43 = 2x-3

x=0

no solution

4. x+16 = 4x-5

-x -x

16=3x-5

+5 +5

21=3x

x=7

5. 11y-36 = 63

+36 +36

11y=99

y=9

How many times does 50 go into 4000

Answers

Well, if you just divide 4000 by 50, you can see that the answer will come out as:
80
~TO check: 80 multiplied by 50 would come out to the answer of 4,000.
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
Hope this helped! :D

You can divide 4000 by 50. 4000/50, it would give you 80. How To check you answer by MULTIPLYING: When you're checking your answer, be sure to use the opposite operation you used on your equation(When dividing, you must multiply to check) Multiply 80*50. 80*50=4000

Hope this helps
Andres2003

Tim has a picture frame that is 30 cm long and 24 cm wide. He wants to make a picture frame that is similar in shape but is 18 cm long. How wide should this second picture frame be?

Answers

We can set up a proportion to find the same shape.

30/24 = 18/x

x stands for how wide in cm.

30/24 = 18/x

Cross multiply

30*x = 30x
24*18 = 432

432 = 30x

30x/30 = 432/30

x= 14.4

Answer: The width should be 14.40 cm wide.

30 - 24 = 6
18 - 6 = 12
12 cm wide

Suppose Monica Walks 1 kilometer every 15 minutes. How many meters further can she walk in 1 hour at this new rate? EXPLAIN how you found your answer

Answers

Well every 15 minutes he walks 1 step. So divide an hour which is 60minutes by 15 minutes. Then the answer to that you multiply by 1. So the equation would be (60/15)x1= and you will find the answer.

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