It cost Brody $9.80 to send 196 text messages. How many text messages did he send if he spent $4.20?

Answer is A

Step-by-step explanation:

I don't really know if am right but can u give a like to this answer that will really make me happy :)

$84

Step-by-step explanation:196/9.80=20

20x4.20=$84

hoping im right

it's equivalent, so we can say that its equal.

let's call the denominator x and the numerador is 18 less then denominator, x - 18.

multiply

2.x = 5.(x - 18)

2x = 5x - 90

90 = 5x - 2x

90 = 3x

x = 90/3

x = 30

so:

answer: since the question is talking about growth you have to use the growth formula which is inital amount (1 + growth)^time

step-by-step explanation:

the intial amount is 1200, the growth is 4.8, and the time is 7. plug those numbers into the equation, also i think you have to change 4.8 into a percent. but, i have forgotton how to do that. if this is a online class go on to the lesson.