Lehana and marty each opened a savings account with a deposit of $100. lehana earned 2.5% simple interest per year. marty earned 2% simple interest per year. neither of them made additional deposits or withdrawals. how much more did lehana receive in interest than marty after three years?

$1.5

Step-by-step explanation:

Given : Lehana and Marty each opened a savings account with a deposit of $100

Thus, Principal amount is same for both P= $100

Time t=3 years

Rate  of interest for Lehana

Rate  of interest for Marty

Difference between the simple interest = S. I. for Lehana-  S.I. for Marty

Hence, Lehana receive $1.5 more in interset than Marty after 3 years.

it 2

step-by-step explanation:

8^1/3=2

answer: expected value of x = 1.0

step-by-step explanation:

p(x=0) = 0.25

p(x=1) = 0.50

p(x=2) = 0.25

expected value for x = 0×0.25 + 1×0.5 + 2×0.25 = 1.0