The teacher buys 24 small boxes, 12 medium boxes, and 5 large boxes. She had to return 3 small boxes due to defects. How many colored pencils does the teacher have in all?

Step-by-step explanation:

24-small

12-medium

5-large

then what you want to do is find how many are there together im gonna say small has 12 medium has 16 and large has 20

Next you want to subtracts 3 small boxes cause of defects 24-3=21

Then, you want to multiply what your numbers are.

21*12=252

12*12=144

5*20=100

Then add

252+144+100=496

kk.bj.

step-by-step explanation:

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4.

step-by-step explanation:

it have the same area.brainliest