How do you find an equal ratio for example is 63:27 14:6 a equivalent ratio?

Answers

Answer 1

Answer:

Step-by-step explanation:

Find a common denominator or greatest common factor. 63 and 27 are both multiples of 9. When you divide each by 9 you get 7:3. 14 and 6 are both multiples of 2. When you divide each by 2 you get 7:3 again. So these ratios are equivalent.

Start with any set of numbers. Multiply them each by the same factor and the new set will be an equivalent ratio.

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Can someone please help me with this ASAP

Answers

there are 25 grandparents there were in the survey. 4 prefered digital copies, 21 prefered hard copies.

4/25 prefered digital copies
21/25 prefered hard copies

21 is more than 4.
The only one of the possible answers that imply that more people prefered hard copies was the third option. Therefore, "More grandparents prefer using a hard copy than a digital copy." is the most likely to be true.

The 1 in 425.1 has a value times the value of the 1 in 7.51

Answers

yes you answer is true 1 in 425.1 is 10 times greater than the number 1 in 7.51

What is 30% of x is 60

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30% × = 60

30% = $(30)/(`00)$ = 0.3

0.3x = 60

Divide by 0.3 on either sides to isolate x

$(0.3x)/(0.3)$ = $(60)/(0.3)$
x = 200

30% of 200 is 60

Curtis wants to build a model of a 180 meter tall building. He will be using a scale of 1.5 centimeters = 3.5 meters. How tall will the model be? Round your answer to the nearest tenth.

Answers

You could set up a proportion for this question. 1.5 centimeters = 3.5 meters x centimeters = 180 meters 1.5 x 180 / 3.5 Rounded to the nearest whole number, the answer is 77.

0.7777…=7/9
Use this fact to show that 0.077777...=7/90