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r=18/1.50

r=12

she can ride 12 times

Step-by-step explanation:

assuming r is the amount of times she can ride the bus

Equation: (6r -> 9$) × 2= 12r=18$

You can go on twelve rides for 18$

r=12

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

77

step-by-step explanation: