Answer:
Its a
Step-by-step explanation:
Multiply the cost by 1 + markup :
180 x 1 +0.55 =
180 x 1.55 =279
The answer is D. $279
5(6x+1)+3(7x+-5)
30x+5+21x+-15
51x+-10
Answer:
115 MPH.
Step-by-step explanation:
According to Bing, 1 foot per hour = 0.000189393939 mph.

The max speed of the go-kart is approximately 115 mph.