Sandy rakes and bags the leaves on her front lawn in 30 mins. Randy does the same job in 20 mins. How many fewer minutes will it take to complete the same job if sandy and randy work together than if sandy works alone?

The number of minutes it take to complete the same job if sandy and randy work together than if sandy works alone is 18mins.

How to calculate time?

According to this question, Sandy rakes and bags the leaves on her front lawn in 30 mins while Randy does the same job in 20 mins.

To calculate the time it will take both of them to work together, we use the following expression;

1/30 + 1/20 = 1/x

x = 12mins

Therefore, it will take 30 – 12 = 18 mins, to complete the same job if sandy and randy work together than if sandy works alone.

minutesit take to complete the same job ifsandyandrandywork together than ifsandyworks alone is18mins.## How to calculate time?

Sandyrakes and bags the leaves on her front lawn in 30 mins whileRandydoes the same job in 20 mins.12mins18 mins, to complete the same job ifsandyandrandywork together than ifsandyworks alone.timeat: https://brainly.com/question/28050940