Question

A factory manufactures 400 boxes a day out of which 28 are detective. Find the ratio of the number of good boxes produced to the defective one​

Answer 1

$\rm\bf\underline{Question:}$

A factory manufactures 400 boxes a day out of which 28 are detective. Find the ratio of the number of good boxes produced to the defective one

$\rm\bf\underline{Solution:}$

total number of boxes = 400

no of defective boxes = 28

no of good boxes = total boxes - defective boxes = 400 - 28 = 372

ratio of good ones to defective ones =

372/28 = 93 / 7 = 93:7

Answer 2

Answer:

The perpendicular bisector of a line segment

open the compass more than half of the distance between A and B, and scribe arcs of the same radius centered at A and B.

Call the two points where these two arcs meet C and D. Draw the line between C and D.

CD is the perpendicular bisector of the line segment AB. Call the point where CD intersects AB E.

Proof. top.