Help? Show work!
Triangle PQR ≅ Triangle XYZ
PQ = 3a + 4 and XY = 5a – 12. Find a and PQ.

Given:

To find:

The value of a and PQ.

Solution:

We have,

                           (CPCTC)

So,

Isolating variable terms, we get

Divide both sides by -2.

Now,

Therefore, the value of a is 8 and the value of PQ is 28.

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:

y=-2x0 is most likey your asnwer