Answer:
8 weeks
Step-by-step explanation:
to solve divide the total cost of kindle by the money she saves each week.
200÷25 is 8.
and to check you can multiply 25 x 8
45-21=24 neutrons :)
As the generally accepted mass of an electron is 0. So, to find the mass of neutrons, minus the protons from the total mass.
Answer:
im trying my best. im going to say its y=-3x+50
Step-by-step explanation: