490 is divided between richard, stephen & bridget so that richard gets twice as much as stephen, and stephen gets three times as much as bridget. how much does stephen get?

The amount that Stephen receives is

Step-by-step explanation:

Let

x-------> amount Richard receives

y------> amount Stephen receives

z------> amount Bridget receives

we know that

------> equation A

-----> equation B

----> equation C

substitute equation B and equation C in equation A and solve for y

not sure but it may be b, as i said i'm not sure.

x is the total time in minutes for the free response

you are given number of questions as 15 - m and time per item as 8 minutes

to find x multiply the two givens together:

x = 8 * (15-m) = 8(15-m)