If it is a fraction like (3a-3b)/(3a+12b)
= [3(a-b)]/[3(a+4b)]
= (a-b)/(a+4b)
The answer is 8 1/4 hours
36-40= -4
36 subtracted by 40 equals negative 4
-4
Answer:
237 ⁹/23% change
Step-by-step explanation:
115=100%
337-155=273 which represents the increase
115=100
273=?
273×100÷115= 237 ⁹/23%
Answer =237⁹/23%