Apainter uses 2 tubes of black paint for every 6 tubes of white paint to paint a mural. at that rate, how many tubes of black paint are used if 15 tubes of white paint are used?

360/29

step-by-step explanation:

this linear equation would have just one solution.

step-by-step explanation:

the reason why this would have one solution is that it is an expression with just one variable. since that variable is not raised to a power, it will always have just one solution.