Answer:
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Answer:
Elga is 38
Step-by-step explanation:
Alvin is 29
38 + 29 = 67
The book has the greater mass is book A and It is 60 grams greater.
<h3>The book with the greater mass?</h3>
The table of values is given as;
1-kilogram 500-gram 100-gram 10-gram
Book A 1 0 7 4
Book B 0 3 1 8
The weights of the books are calculated as:
Book A = 1 * 1kg + 0 * 500g + 7 * 100g +4 * 10g = 1740 g
Book B = 0 * 1kg + 3 * 500g + 1 * 100g +8 * 10g = 1680 g
1740 is greater than 1680 by 60
This means that the book has the greater mass is book A and It is 60 grams greater.
Read more about metric units at:
brainly.com/question/2555957
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