Answer:
12.5%
Step-by-step explanation:
320 divided by 40 = 8
100 divided by 8 = 12.5
100% is 320 dollars, which means that 40 dollars is 1/8 of 320. And 1/8 of 100 is 12.5%
Answer:
s=25
Step-by-step explanation:
Because α varies directley to β

(k = constant)
α=7 when β=2
7= 2k
k=
so when α=21
21=

b
b= 6
71/20 i believe. Is it multiple choice?