My niece earns six dollars and 50 Cent for every hour that she babysits. on Monday she babysits for 1.9 hours. on Tuesday she baby 6 3/4 hours. On Wednesday she babysits for 9.2 hours how much money does my niece earn in all

First u find out how much the niece is earning in a minute by 6.50:60 minutes = 0.10 cents. this means that the niece makes 0.10cents in a minute

For Monday, she babysits for 1.9 hour (change it to minutes by multiplying with 60) 1.9*60=114 minutes. then u multiply 0.10 with the number of minutes obtained (114), 0.10*114=11.4. which means she earns 11 dollars and 4cents on mondays.

For Tuesday: she babysits for 6 3/4 hours (change it to minutes by multiplying with 60) 6*3/4*60

=4.5*60

=270minutes

then, 0.10*270 = 27 dollars, which means on tuesday she earns 27dollars.

For Wednesday, she babysits for 9.2hours (change it to minutes by multiplying by 60), 9.2*60 = 552 minutes

then multiply the minutes obtained by 0.10,

0.10*552=55.2

which means on Wednesdays she earns 55 dollars and 2 cents