Barbara reduced her monthly phone bill by 9% by switching to another phone company. If her monthly phone was $80 before the switch, how much is her monthly phone bill now? A)71.00
B) 72.00
C)72.80
D)89.00

Option C is correct

Step-by-step explanation:

Given data

The monthly phone bill was = $80

Let us first find 9% of $80

=9/100*80

=0.09*80

=$7.2

Hence the monthly bill now is

=80-7.2

=$72.80

sum= when you add is how much the whole amount is

distance= when you use angles and it means how far it goes

step-by-step explanation:

squares, rhombus, rectangles