Maria ate 1/3 of a pie her sister rebecca ate 1/5 of that what fraction of the whole pie did rebecca eat

Rebecca ate th of a pie.

Solution:

Let assume quantity of a pie = x  

Given that Maria ate of a pie  

Which means quantity of pie which Maria ate =

=

Quantity of pie Rebecca ate is of what Maria ate

Which means quantity of pie Rebecca ate = of (quantity of pie which Maria ate)

=

=

=

Fraction of whole pie Rebecca eat = quantity of pie Rebecca ate divide by total quantity

= (x/15) divided by x =

Hence Rebecca ate   th of a pie.

the equation cos(35) =a/25 can be used to find the length of bc what is the length of bc? round to the nearest tenth

step-by-step explanation: