Find ((frac{1}{0.06} div frac{1}{0.042}))-1
-
A.
1.43 -
B.
1.53 -
C.
3.14 -
D.
4.42
Correct Answer: Option A
Explanation
((frac{1}{0.06} div frac{1}{0.042})^{-1})
= ((frac{100}{6} div frac{1000}{42})^{-1})
= ((frac{100}{6} times frac{42}{1000})^{-1})
= ((frac{7}{10})^{-1})
= (frac{10}{7})
= 1.4285 (approxeq) 1.43.