Answer:
the first one
Step-by-step explanation:
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Step-by-step explanation:
a, 1/4+2/5=13/20
b,-1/8+1=7/8
c, 4/25×-1/8=-1/50
d, 2×1/9-1/2=2/9-1/2=-5/18
e, 1+2/5-1/4=7/5-1/4=23/20
Answer:
i think u should first givr her discount by doing 20/100×3500=700 and than he will get 5 percent profit than here
3500-700=2800
now for 5 % profit
5/100*2800=140
hence
20% discount=700
5% profit =140
it might be wrong but here u go
The _____ is a normal distribution of z scores. standard normal distribution mean distribution raw score distribution linear distribution