Answer this please ill give brainliest

part a is = r= 2/5 or 0.4

part b is = the rate

part c is = Dave has been introduced to a new phone service. They charge a monthly fee of $5 and each phone call made out of country is $8. How much phone calls did Dave made out of country if his bill this month was 37?

too many. (jk)

31 v bucks

step-by-step explanation:

since you bought 25 on friday and 6 on tuesday, you can just add them up.

25+6=31

check your work.

31-6=25

i hope this !

-yand3r3

25.3

step-by-step explanation:

1st step

add 3+6

=9

multipy 9*3

=37