16 days since 2/5 is 0.4 and there was 40 days then 2/5 * 40 is 16
Answer:
Rational numbers
Step-by-step explanation:
The real answer is 7/9 hope i helped
Answer:
option B
Step-by-step explanation:
Given,
mean result (μ) = 65
standard deviation (σ)= 15
probability that student will score between 50 and 80
= 
= 
= 
= P(Z < 1) - P(Z < -1)
Using z table,
= 0.8413 - 0.1587
= 0.6826
the correct answer is option B
Answer:
Step-by-step explanation:
Examples. A friend asks to borrow $300 and agrees to repay it in 30 days with 3% interest. How much interest will you earn? Simple interest is calculated on the principal, or original, amount of a loan. Compound interest is calculated on the principal amount and also on the accumulated interest of previous periods, and can thus be regarded as "interest on interest."
