Answer:
6x^(3)-4x^(2)+15x-10
Step-by-step explanation:
Answer:
810
Step-by-step explanation:
450 × 1.80 = 810
The 1 represents how there is no markdown and the .80 is the 80% being marked up.
I think there is a more specific equation for this than the one I showed, but this was my way of solving these questions without giving myself a headache
Answer:
10x + 20
Step-by-step explanation:
5x + 10 +5(x) + 5(2)
= 5x+10 +5x +10
= 10x +20
3 days.
12 kilometers is 12,000 meters. 10 laps each day would be 4000 meters everyday.
first day : 4000 meters
second day : 8000 meters
third day : 12,000 meters