Ben spent triple the amount of time on the homework as david. david spent 3 times more than sandro. which equation represents the relationship between the amount of time ben and sandro spent on their homework?

answer choices:
a: b=9s
b: b=3+3s
c: s=6b
d: b=3+s

The correct answer is option A: B=9s

Step-by-step explanation:

Let the time taken to do the homework by David be = D

Let the time taken to do the homework by Ben be = B

Let the time taken to do the homework by Sandro be = S

As Ben spent triple the amount of time on the homework as David so

B = 3D       (1)

Also given is, David spent 3 times more than Sandro. So, D = 3S (2)

Putting the value of D in equation (1)

B = 3(3S)

Hence, B = 9S

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step-by-step explanation:

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