Jamil ate 1/5 of a pie and Rashan ate 2/5 of a pie. Together, how much pie did they eat?

A. 3/10

B. 3/5

C. 5/3

D. 3

3/5

Step-by-step explanation:

This is because 1/5 + 2/5 equals a totals of 3/5 eaten.

Step-by-step explanation:

1/5 + 2/5 = 3/5

answer is B

15

step-by-step explanation:

we are given the following expression and we are to solve it and find the product:

-13 × (-5)

solving the given expression in the standard order of solving a mathematical expression, beginning with the opening of brackets and then multiplying the terms and changing their signs.

-3 × -5 = 15 (answer is positive because when negative is multiplied with negative, it gives a positive answer)

e^-kt = n/n0 = 0.79  

-kt = ln 0.79  

t = - ln 0.79/0.0001  

= 2357 years

step-by-step explanation: