courtesy carpet clensing charges $80.00 plus .10 per sq. foot to clean carpet. jacks carpet cleaning charges 30.00 plus .18 per sq. ft. find the number of sq. feet for which the two companies charges are equal

10 and 18

Step-by-step explanation:

Courtsey should be .10x18=1.80

Jacks is .18 the 0.18x10=1.80

the total estimated nappy use.=10,500,000

step-by-step explanation:

given that on an average the average baby uses 3528 napkins.

in a particular year 2014, the number of births were 299697 in new south wales.

rounding off the number of births to the nearest hundred thousand we have

no of birtsh = 300000

also rounding off the average usage to nearst thousand we get

average use of a baby = 3500

hence total number of nappy estimated to be used = 3500x300000

= 10,500,000

answer is 10,500,000 nappies