(1.25-0.4)/7+4x3

which operation should be performed first

addition

subtraction

multiplication

division

pls help only have 45.45 minutes left on my test

You should do multiplication first (PEMDAS)

Step-by-step explanation:

subtraction

Step-by-step explanation:

PEMDAS

the subtraction is in the parentheses (the P) so it is performed first

lol, i have been using this product for a while and the second half of the year for a lon and the first time in a long time ago that the government has not yet received enough votes to be a good the first place in the world to be able to do it in my world life, i

this is a direct variation proportion. y = kx

y is the total amount due, k is the constant of variation, and x is the number of texts sent.

plug in the 3.20 and the 16 to solve for the "k". this is the constant of proportionality. it is the value that will not change.

3.20 = k(16). solving you get $.20 per text.

the equation would then be y = .20x