Answer:
315 (D)
Step-by-step explanation:
210/60 to get donuts per minute = 3.5 donuts per minute
3.5x90= 315
Reasonable because the three items altogether cost about $40
G(a/2)= 2(a/2)-3
=2a/2-3
then just subtract 2a/2 by 3/1 by finding the common denominator and same for the next one.
The solution or
the answer is x=1