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Chapter 7: Q.461. (page 741)

Brandy can frame a room in 1hour, while Jake takes 4hours.

How long could they frame a room working together.

Short Answer

Expert verified

It would take Brandy and Jake about45hours to frame a room together.

Step by step solution

01

Step 1. Given information.

Brandy can frame a room in 1hour, while Jake takes4hours.

02

Step 2. The following chart will help us to organize the information.

Let tbe the number of hours needed to frame a room together.

03

Step 3. To find the value of t.

The work completed by Brandy plus the work completed by Jake equal the total work completed.

1+14=1t

Solve it as follows:

1+14=1tt1+14=1t脳tt4+14=15t4=15t=4t=45

04

Step 4. Simplified answer.

It would take Brandy and jake about 45hours to frame a room together.

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