75x + 90(15-x)=88(15)
75x+1350-90x = 1320
-15x + 1350 = 1320
-15x= -30
x=2
the amount of 75 octane is 2 gallons
the amount of 90 octane is 13 gallons
Hope this helps.
Answer:
its a 30% increase
Step-by-step explanation:
If 250 is 100% then you need an increase by 75 to get to 325
250*.3 = 75
75 is 30% of 250
250 + 30% (75) = 325
Answer: the amount a person pays for gas compared with the number of gallons purchased
Step-by-step explanation:
I think around 44% chance that all three flights would arrive on time, but i'm not that sure.
Answer:
530.929158457
Step-by-step explanation:
13x13= 169 x pi= 530.929158457
