What is the value of x in 0.007/x = 0.01?
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What is the value of x in 0.007/x = 0.01?
- A.
.23
- B.
0.7
- C.
.45
- D.
.56
Show answer & explanation
Correct answer: B
Concept: For an equation of the form a/x = b (a, b constants, x ≠ 0), multiplying both sides by x and then dividing by b isolates the variable directly: x = a/b.
Working:
Start with the given equation: 0.007/x = 0.01.
Multiply both sides by x: 0.007 = 0.01x.
Divide both sides by 0.01 to isolate x: x = 0.007/0.01.
Simplify the division: x = 0.7.
Cross-check: Substituting x = 0.7 back into the original equation gives 0.007/0.7 = 0.01, which matches the right-hand side, confirming the value.
Hence, x = 0.7.
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