because the + sign doesn't change anything due to the parentheses which are indicating you that is 9-6, and if you have to solve it the answer would be 3, because they are different signs so you have to divide them and leave the sign of the greater number in this case 9, so the answer would be positive 3
answered: Guest
the answer to your question a or b but i am pretty sure it is b. i hope this : )
42. if 20 men can eat 200 kg of wheat in 40 days, then 10 men can eat 300 kg of wheat in how many days? a) 120 days b) 60 days c) 80 days d) none of these
