Amixture contains forty ounces of glycol and water and is ten percent glycol. if the mixture is to be strengthened to twenty-five percent, how much glycol is to be added?

4 oz
8 oz
10 oz

Aidan is saving money to buy a new computer . he made a scatter plot and a linear model for the amount of money he has saved over the past eight weeks. the equation of the line is y=17.63x+27.52. use the model to predict how much aidan saved after 5 weeks