Question

Answer 1 2 and 25 don't spam

Answer 1

Answer:

here x may be number of hrs he work in 1st job

and y may be number of hrs he work in 2nd job

20x is his earning from 1st job

35y is his earning from his 2nd job

total earnings 20x+35y but his earning is given atleast 150 means minimum earning should be 150 but it can be more than 150 so.

20x+35y=150 is wrong

so option C is correct