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Item 1

Evan used base-10 blocks to model the product of 3 and 0.51.

How can Evan use this model to determine the product?

Enter your answers in the boxes to correctly complete each statement.
The model shows a total of
tenths and
hundredths. After regrouping, there is 1 whole,
tenths, and
hundredths, so the product is
.
Five columns, each divided into 10 small squares. Then 1 small square. Then 5 columns, each divided into 10 small squares. Then 1 small square. Then 5 columns, each divided into 10 small squares. Then 1 small square.

.mp4 files, because, video

step-by-step explanation:

12: 00 p.m. to 7: 00 p.m. is a total of 7 hours.

4: 00 p.m. to 7: 00 p.m. is a total of 3 hours.

this means that from 4: 00 p.m to 7: 00 p.m. this represents 3/7 of what was lost from 12: 00 p.m. to 7: 00 p.m.

after knowing this, after doing 11,600 - 6,800 = 4,800

4,800 represents 3/7 of what was lost for 7 hours.

we then divide 4,800 by 3 which gets 1,600.

because we know that 1,600 represents 1/7 of how much water was lost, we just have to multiply by 7, which gets 11,200.   after adding 11,200 to how much water was left at 7: 00 p.m. which was 6,800. 11,200 + 6,800 = 18,000

this means that the pool originally had 18,000 gallons in the pool.

you can also check your work by doing 18,000 - 4(1600), which becomes           1800 - 6400 which gets you 11,600.

10 you would take 50/ .2

step-by-step explanation: