Look at the fractions!
9/10 is less than 1.
10/9 is more than 1. So it must be more than 9/10.
The answer is C. All students enrolled at Springfield high school.
Make use of the fact that side lengths in similar triangles are proportional.
.. 30/18 = (20 +x)/20
.. 20*(30/18) -20 = x . . . . multiply by 20, subtract 20
.. 33 1/3 -20 = x . . . . . . . . evaluate the product
.. 13 1/3 = x
Given,
The salary for the technician from shop A is $900 per week.
The salary for the technician from shop B is $25 per hour.
The equation for the total pay for shop B is,

Taking the total pay as 900. As, to make the shop A and shop B equal.

Hence, he would have to log 36 hours during a week at Shop B in order to match the salary at Shop A.
Answer:

Step-by-step explanation: