A company is mixing a new juice blend in two mixing vats. In the smaller​ vat, workers mix 3 parts Juice​ A, 12 parts Juice​ B, and 15 parts Juice C. In the larger​ vat, workers mix 4 parts Juice​ A, 16 parts Juice​ B, and 20 parts Juice C. What is the ratio of the amount of Juice A to total amount of juice in simplest fraction form for the smaller​ vat? The larger​ vat? Are these ratios​ equivalent?

The decibel level of sound is 50 db greater on a busy street than in a quiet room where the intensity of sound is watt/m2. the level of sound in the quiet room is db, and the intensity of sound in the busy street is watt/m2. use the formula , where is the sound level in decibels, i is the intensity of sound, and is the smallest sound intensity that can be heard by the human ear (roughly equal to watts/m2).

Liz had 140 pens and inna had 100 pens. after inna gave liz some pens, liz had 3 times as many pens as inna. how many pens did inna give liz?

The function models the number of accidents per 50 million miles driven as a function