Plug in 4 for x and solve equation like so. c=2
Answer:
- Early in the race,_Alberto_ runs faster.
- Alberto maintains a speed of _20_ km/h during the first hour of the race.
- meanwhile, Bianca’s running speed _Is exponential_
-The first person to cross the finish line is_Bianca_
7.
Discounted price X
————————— = ———
Original Price 100
45 x
—- = —-
72 100
Cross multiply
45 times 100= 4500
72 times x= 72x
72x=4500
Divide
4500/72= 62.5%
500-120= 380 380÷200= 19 so the answer is 19