Calvin and Nathan each need to raise $200 to go on a trip with their school's baseball team. Calvin has $35 in savings and earns $20 per week shoveling snow. Nathan has $60 in savings and earns $10 per week tutoring. How long will each of them have to work to have enough money for the trip? (***Write your answer as a decimal) Help ASAP

450 is the final answer! : )

the answer is d on edge

step-by-step explanation:

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.