There are 29235 marbles and 371 jacks. If you want to know the percentage of jacks, do you divide the first number by the second

Question

3 years ago

11

and then move the decimal two places to the left?

1 answer:

garik1379 [7] · Answer 1 · 2022-03-06T17:54:23+03:00

Answer:

Correct answer: Two decimal places to the right

Step-by-step explanation:

We will set the classic proportion:

29,235 - 100%

371 - x%

29,235 : 371 = 100 : x ⇒ 29,235 · x = 371 · 100

x = (371/ 29,235) · 100 = 0.0127 · 100 = 1.27%

x = 1.27%

You divide first number by the second and then multiply with 100,

which is the same as moving the decimal point two places to the right.

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