Store a: $25 for a 45 minute lesson store b: $30 for a 1 hour lesson store c: $45 for a 1.5 hour lesson store d: $80 for three 1 hour lessons julie wants to purchase swim lessons for her son. there are four different stores that offer swim lessons. based on the lowest cost per minute, which store has the best deal? a) store a b) store b c) store c d) store d

Store D

Step-by-step explanation:

Store A:

25 dollars for 45 minutes, that means .5555 dollars per minute

Store B:

30 dollars for 60 minutes (1 hour), that means .5 dollars per minute

Store C:

45 dollars for 90 minutes (1.5 hours), that means .5 dollars per minute

Store D:

80 dollars for 180 minutes (three 1 hour lessons), that means .444 per minute

the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.

do your own work and don"t cheat.

step-by-step explanation: