A carpet store charges $20 per square yard of carpet after an initial installation fee. A customer paid a total of $800 for 30 square yards. a. Write an equation that gives the total cost of buying and installing a carpet as a function of the area of the room (in square yards).
b. Find the total cost of buying and installing 42 yards of carpet.

c.

step-by-step explanation:

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

step-by-step explanation:

659

1260=3*6*7*10=3^2*2^2*7*5 perfect cude = 3^3*2^

step-by-step explanation: