Answer:
2x-6
I don't know what you mean by correction, but that's in expression form.
(1/40) - (1/x) = (1/60)
x = 1/(1/40) - (1/60)) =
<span>A.) 120</span> minutes
Its similar to the other question.
A = ((6 + 7 + 6) . 8)/2
A = 19 . 4
A = 76
Answer:
7×10³+3×10²+4×10¹+2×10 or 7.342×10³
