Technician a says that one revolution of the micrometer thimble equals 1/40 inch. technician b says that on revolution of the thimble equals 0.025 inch. who is correct

we know that

Divide by 25 both numerator and denominator

so

therefore

the answer is

Both technicians are correct.

from the figure we get,

the x axis shows   the months and,

the y-axis shows the number of satisfied customer.

each line or each cell in upward direction (y-axis) shows 500.

the appropriate scale for the y - axis is: -

a = 2000 customers

b = 4000 customers

c = 6000 customers

d = 8000 customers

e = 10000 customers

f = 12000 customers

g = 14000 customers