Question

<3HELP PLEASE! MEDAL AND FAN WILL BE GIVEN HELP PLEASE!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
A creditcard company charges a 30$ monthly fee and an additional $0.25 per change. If x represents the number of charges of creditcard usage, which equation can be used to determine the total monthly cost,m?
a)30+0.25x=m
b)30x+0.25=m
c)30x+0.25x=m
d)30m+0.25x=m

Answer 1

do you know what a variable represents?

Answer 2

a #

Answer 3

a number yes, but is that number fixed, or does it change and vary depending on circumstances?

Answer 4

vary depending on the circumstances

Answer 5

now, which charge do you think varies depeding on the circumstances in this problem?

30 or .25 ?

Answer 6

30

Answer 7

well no. 30 is what they charge you regardless of how much you use the card. 30 is fixed.

it costs us .25 everytime we use the card tho, so the cost related to this varies depending on how many times we use it.

Answer 8

so is it c?

Answer 9

no, x is the number of times we use it, and we are not charged 30 every time we use it

the cost is 30, plus some varied amount of .25.

Answer 10

30 + .25x

Answer 11

so A?

Answer 12

A fits yes :)

Answer 13

Thank you(: @amistre64