Plz fast 20 points hurry
cindy saves $420 each month. her monthly salary is $2100. what is the ratio of the amount cindy saves to the amount she earns each month?
a) 1: 5
b) 1: 4
c) 2: 3
d) 5: 1

The table shows the distances travelled by a paper aeroplane. a. find the range and interquartile range of the data. the range is feet. the interquartile range is __feet. b. interpret the range and interquartile range of the data. __ feet the distances travelled by the paper aeroplane varied by no more than__ feet. the middle half of the distances travelled by the paper aeroplane varied by no more than __ feet.