Noelle has 5/6 of a yard of purple ribbon and 9/10 of a yard of pink ribbon. how much ribbon does she have altogether? a) 1 11/15 yards b) 1 14/16 c) 2 1/5 d) 1 4/5 i tried to add it and got it wrong.

(A) yards

Step-by-step explanation:

On one hand, Noelle has of a yard of purple ribbon

On the other hand, she has of a yard of purple ribbon.

The length of ribbon she has altogether is determined by the sum of the two fractions.

We add

Taking the Lowest Common Multiple of 6 and 10 =60

for a it would be 24 children.

for b i don't understand the question. is it saying for each individual person they pick 5 reds to 7 greens or is it the whole group. clarify and i hope this can you.

step-by-step explanation:

option (b) is correct

step-by-step explanation:

to find the solution of this system, we need to convert it into reduced row-echelon form. we have,

after applying row operations r2 -> r2/2 and r3 -> r3/3, we get,