0.3+0.25= 0.55
1-0.55= 0.45
0.45(60)= 27
Karina has $27 left.
Answer:
24
Step-by-step explanation:
12 * 2 = 24
4(r)^x=y
4(r)^(1)=2
r=1/2
y=4*(1/2)^x
Answer:
6.25 gm left
Step-by-step explanation:
Find the number of half lives in 26.3 years
26.3 / 5.26 = 5 half lives
(1/2) ^5 = 1/32 nd of the original will be left
1/32 * 200g = 6.25 gm left
Depending on the car, but id guess its negetive