Jill had three full pans of brownies each pan made 10 brownies she gave 3/8 of the brownies to her friends how many brownies did jill giveaway

11.25 brownies or 11 1/4 brownies

Step-by-step explanation:

If she has 3 pans that each make 10 brownies, she made 3(10) = 30 brownies

If she gave 3/8 of the brownies away, she gave away...

30(3/8) = 90/8 = 11 2/8 = 11 1/4 brownies

Jill gave 11 1/4 brownies away.

Step-by-step explanation:

The first step is to determine how many brownies Jill had.

She had 3 pans of 10 brownies each.

3*10 = 30

Jill has 30 brownies.

She gives 3/8 of them away

30 * 3/8 = 90/8 =11 2/8 = 11 1/4 brownies are given away

Jill gave 11 1/4 brownies away.

So, there's total 8 inches and the customer wants to make 4.5 inches long.
Each time he press the reduce button is 12%. He pressed 5 times, so.

12 x 5 = 60%
60% of the 8 = is 4.8 inches

So the conclusion is that his boss is wrong.