A truck is carrying passion fruit juice, grapefruit juice, and grape juice bottles in a ratio of 1 : 4 : 2. If there are 12 passion fruit juice bottles, then how many grapefruit juice bottles are there

Asap! i'm not good math and i'm lost.

Arefrigeration system at your company uses temperature sensors fixed to read celsius (°c) values, but the system operators in your control room understand only the fahrenheit scale. you have been asked to make a fahrenheit (°f) label for the high temperature alarm, which is set to ring whenever the system temperature rises above –10°c. what fahrenheit value should you write on the label?

Angle that produces maximum distance