15. In order to convert 3.6 meters into yards, Evin used the following product: 100 centimeters 2.54 centimeters 1 foot 1 yard
3.6 meters x
1 meter
1 inch 12 inches 3 feet
Which of the following ratios was written incorrectly in this conversion process?
X
X
100 centimeters
1 meter
(3)
1 foot
12 inches
(2)
2.54 centimeters
1 inch
1 yard
3 feet

Step-by-step explanation:

Given

Required

Which ratio is incorrect

Each ratio is a conversion of 1 unit to the other.

Taking them one at a time.

The first is

--- The ratio is correct

The next is:

The conversion is correct; however the ratio is incorrect.

This is so because, the first ratio () has centimetre as the numerator

The next should have centimetre has its denominator in order to cancel out the units.

So, the correct ratio is:

it costs $20 to interview each person for a survey. find the cost to obtain a +- 3% margin of error.

step-by-step explanation:

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