Laura mowed 8 lawns she earned 12,10,15,15,15,10. and 9 for seven lawns. how much did she earn the eighth time if the mean of the data is 12?

10

Step-by-step explanation:

Find the mean

9+12+10+15+15+15+10+x/8=12

divide 86+x/8=12

multiply both sides by 8

86+x=96

sub 86 from both sides

x=10

hope this helps

a. 19,958,400

step-by-step explanation:

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24

step-by-step explanation:

if it takes 8 pounds to make 12 divide 12 by 8 and you get 1.5, 1.5 x 16 = 24