Please Help! Last week, a florist sold 715 roses. Of the roses sold, 7 out of every 11 roses were red. How many red roses did she sell?

455 red roses

Step-by-step explanation:

Given parameters:

Number of roses sold by florist  = 715

Unknown:

Number of red roses she sold  = ?

Solution:

From the problem statement, we know that;

       7 out of every 11 roses were red.

Let us divide the roses sold into group of 11s;

          In 715 we 65 groups of 11;

if;

            7 out of every 11 roses were red;

  In a group of 65, we will have 65 x 7 red roses  = 455 red roses

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:

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