Answer:
She will pay $1092.50 because .15x950 is 142.50 and if you add that to 950. you get $1092.50
each trial is independent so do
.5 x .5 x .5 or .5^3
.125 is the probability.
For this equation, let b equal the cost per box.
b=$100/5
That’s easy it’s 18 because the 9x9=18 and there’s a 10s digit