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tatim210
25.09.2019 •
Mathematics
Best answer will be awarded the brainliest and 5 stars solve this problem using estimation and rounding each amount to the nearest ten dollars so over a two month period mr bryants sixth grade class donated their spare change to another student whose home burned. the class raised $58.23 the first month and $66.57 the second month about how much money did mr. bryants class raise for their classmate
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Ответ:
Explanation:
→ { $ 58.23 + $ 66.57 } ;
→ Round EACH of these TWO (2) values to the nearest TEN (10) dollars ;
{as per the instructions specified in THIS VERY "" question/ problem} ;
→ Start with the first 'given value' : → " $ 58.23 " ;
→ We are instructed to round to the nearest TEN (10) dollars ;
→ Do we round to: "$ 50.00" ? ; or, to: "$ 60.00" ?
→ Since the amount is: " $ 58.23 " ;
→ We look the value of the "digit" that appears in the "space" DIRECTLY AFTER the: " ($5) " .
→ If the [said digit] is: "5 or greater" {i.e., "5, 6, 7, 8, or 9"} ;
then we round (up) to: " $ 60.00 " .
→ If the [said digit] is: "4 or lesser" {i.e., "4, 3, 2, 1, or 0") ;
then we round (down) to: " $ 50.00 " .
→ Since the [said digit] in the value, " $ 58.23" ; is: "8" ;
→ { and since: "8" — is a [number/digit) that is: "5 or greater" } ;
→ We round (up) to: " $60.00 " .
→ Now, let us consider the "second value" given to us: → " $ 66.57 " ;
→ We are instructed to round to the nearest TEN (10) dollars ;
→ Do we round to: " $ 60.00" ? ; or, to: " $ 70.00" ?
→ Since the amount is: " $ 66.57 " ;
→ We look the value of the "digit" that appears in the "space" DIRECTLY AFTER the: " ($6) " ;
→ If the [said digit] is: "5 or greater" {i.e., "5, 6, 7, 8, or 9"} ;
then we round (up) to: " $70.00 " .
→ If the [said digit] is: "4 or lesser" {i.e., "4, 3, 2, 1, or 0") ;
then we round (down) to: " $60.00 " .
.→ Since the [said digit] in the value, " $ 66.57 " ; is: "6" ;
→ { and since: "6" — is a [number/digit) that is: "5 or greater" } ;
→ We round (up) to: " $70.00 " .
.
→ So; as per the instructions in this very "" question/problem ;
We rewrite: → { $ 58.23 + $ 66.57 } ;
→ by substituting: "$60.00" (in lieu of: "$58.22") ; and
→ by substituting: "$70.00" (in lieu of: "$66.67") ;
→ as follows:
→ { $60.00 + $70.00 } ;
→ and add these 2 (TWO) "rounded" values together; as follows:
→ { $ 60.00 + $ 70.00 } ; to get:
= " $ 130.00 " ; or, write as: " $ 130 " .
Ответ:
1) A
2) B
3) 726
Step-by-step explanation:
just did this :))