Test worth 70 points; test score of 90% write a proportion to find how many points a student needs to earn on the test to get the given score

x=0

step-by-step explanation:

51840000 cm 2

step-by-step explanation:

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