S= 70w + 750
s(19) = 70w x 19+350= 1680
so its 1680
90 mins + 50 mins = 140 mins
60 mins ==1 hr 2*60 = 120 mins
140 mins -120 mins= 20 mins
2 hrs ans 20 mins is the answer
The answer to your question would be A
8x+6 would still be 8x+6 because you cannot add 6 to 8x. remember, 8x means x, 8 times.
Answer:
709.5
Step-by-step explanation:
660 + 7.5 x 660 : 100 = 709.5
