What property is being illustrated: 19 + 0 = 19
1 answer:
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The first step is to define the system of equations.
Take x and y as the cost of a small box and a large box respectively.
Solve the system.
A small box costs $4 and a large box costs $4 too.
Because we're estimating, we will round up 28.35 to the nearest tens value.
Look at the ones value:
28.35
8 > 5
8 is greater than 5, so we will round up 28.35 to 30.
There are 4 1/4 ounces of chicken. 4 1/4 in decimal form is 4.25. We will round this number to the nearest ones value. Look at the tenths value:
4.25
2 < 5
2 is lesser than 5, so we will round down 4.25 to 4.
There are now 4 ounces of chicken, and an ounce is equal to 30 grams. Multiply the ounces of chicken by how many grams are in an ounce:
The best estimate of grams of chicken that Isaiah portioned is 120 grams.
Look at the ones value:
28.35
8 > 5
8 is greater than 5, so we will round up 28.35 to 30.
There are 4 1/4 ounces of chicken. 4 1/4 in decimal form is 4.25. We will round this number to the nearest ones value. Look at the tenths value:
4.25
2 < 5
2 is lesser than 5, so we will round down 4.25 to 4.
There are now 4 ounces of chicken, and an ounce is equal to 30 grams. Multiply the ounces of chicken by how many grams are in an ounce:
The best estimate of grams of chicken that Isaiah portioned is 120 grams.