Math 1 March 1

Math 1

March 1, 2021

Example 1

Working alone, it takes Jimmy 16 hours to clean an attic. Ndiba can clean the same attic in 12 hours. If they worked together how long would it take them?

Example 2

Working alone, Adam can pick forty

bushels of apples in 11 hours. One day his friend Jasmine helped him and it only took 4.63 hours. Find how long it would take Jasmine to do it alone.

Example 3

Working alone, Beth can pick forty

bushels of apples in 8 hours. One day her friend Willie helped her and it only took 4.95 hours. How long would it take Willie to do it alone?

Example 4

Working together, Stefan and Jimmy can clean an attic in 6.86 hours. Had he done it alone it would have taken Jimmy 12 hours. How long would it take Stefan to do it alone?

Example 5

 $3\left(3a^2-3a+4\right)$  

Example 6

 $4x\left(4x^2+7x-5\right)$  

Example 7

 $3b\left(8b^2+3b+4\right)$  

Example 8

 $3p\left(5p^2+8p-8\right)$