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MathematicsAlgebra
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For what value of K is the equation 0.048 / K = 0.6 true?

A

0.08

B

0.8

C

0.008

D

8

Correct Answer

ЁЯУР MA тАв Math Direct FormulaMathematicsAlgebra
Option A

0.08

Quick Summary:

Given: The equation given is 0.048 / K = 0.6.

ЁЯУРMAMath SolutionDirect Formula
ЁЯУЛ Given

The equation given is 0.048 / K = 0.6.

ЁЯФв Formula Used

K=0.0480.6K = \frac{0.048}{0.6}K=0.60.048тАЛ

тЪб Exam Hall Shortcut / Speed Trick

Shift the decimal point of both the numerator and denominator to the right by one position to get 0.48 / 6, then divide 0.48 by 6 to get 0.08.

тЪая╕П Common Student Trap / Pitfall

Confusing the number of decimal places when dividing decimals, such as misplacing the decimal to result in 0.8 or 0.008.

ЁЯУК Diagram / Illustration
Solving for K: 0.048 / K = 0.6 1 Given Equation 0.048 / K = 0.6 тЯ╣ K = 0.048 / 0.6 2 Simplify Decimal Division Multiply by 10/10: K = 0.48 / 6 3 Final Calculation 48 ├╖ 6 = 8, adjust decimal: K = 0.08 4 Result K = 0.08 Final Answer: K = 0.08 (Option A)
ЁЯФв Step-by-Step Solution
1

Set up the equation

To solve for KKK, rearrange the given equation 0.048K=0.6\frac{0.048}{K} = 0.6K0.048тАЛ=0.6 by multiplying both sides by KKK and dividing by 0.6.

K=0.0480.6K = \frac{0.048}{0.6}K=0.60.048тАЛ

2

Simplify decimal division

To eliminate the decimal in the denominator, multiply both numerator and denominator by 10, resulting in 0.486\frac{0.48}{6}60.48тАЛ.

K=0.486K = \frac{0.48}{6}K=60.48тАЛ

3

Final calculation

Dividing 0.48 by 6, we perform the division 48├╖6=848 \div 6 = 848├╖6=8 and adjust the decimal place two positions to the left.

K=0.08K = 0.08K=0.08

тЬЕ

A is correct because the quotient of 0.048 divided by 0.6 equals 0.08.

Core Concepts Used
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Linear Equations Decimal Division Algebraic Rearrangement
ЁЯТб EXAM TIP

This type of decimal manipulation is frequently tested in Data Interpretation and Simplification sections of competitive exams to check speed and accuracy.

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