Craig likes to collect records. Last year he had 15 records in his collection. Now he has 18 records. What is the percent increase of his collection?

20%

Step-by-step explanation:

Craig got 3 new records and percent increase is change divided my original. Originally Craig had 15 records. 3/15 is 1/5 which is 20%.

to find the perimeter of the rectangle this is the expression:

x-9+x-9+3x-4+3x-4=138

if we simplify it:

8x-26=138

remember, 138 is what it all adds up to

the length is 11.5cm

the width is 57.5cm

the area is 661.25cm^2

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