Percentage Questions

At the end of three months, you will owe £767

Step-by-step explanation:

First you find 7% of 1000

= 70

70 is added to the £1000 every month so

1070 - 150 = 920

990 - 150 = 840

917 - 150 = 767

option a is correct.

step-by-step explanation:

scale factor: it is used to find proportional measurements.

proportions means having the same ratio.

scale factor is the ratio of the model measurement to the actual measurement in a simplest form.

or we can say that the ratio of any two corresponding lengths in two similar geometric figures

if the scale factor is more than 1, then it is an enlargement,

if the scale factor less than 1, then it is a reduction.

given the two geometric figure:

by definition of proportions, we have