LisaLisa, an experienced shipping clerk, can fill a certain order in 1010 hours. BillBill, a new clerk, needs 1111 hours to do the same job. Working together, how long will it take them to fill the order?

Step-by-step explanation:

GIVEN: Lisa, an experienced shipping clerk, can fill a certain order in hours.Bill, a new clerk, needs hours to do the same job.

TO FIND: Working together, how long will it take them to fill the order.

SOLUTION:

Total hours taken by Lisa hours

Total hours taken by Bill hours

Let the total time taken when working together be hours

Now,

Total time taken by Lisa and Bill when working together

hours

Hence Lisa and Bill will take hours to fill the order when working together.

answer: standard form is ax^2 + bx + c = 0

step-by-step explanation:

standard form is ax^2 + bx + c = 0

(2x + 1)(x - 2) = 0

distribute to get into standard form

2x^2 - 4x + x - 2 = 0

2x^2 - 3x - 2 = 0

a = 2, b= -3, c = -2

a is your answer