Giovanna used the calculations below to determine the height of a stack of 7 books that are each 2 5/8inches thick whatwas her error? C. There should be a subtract step not an addition step D. Two should have been multiplied by 5/8
Accepted Solution
A:
Answer:Option C. Seven was not multiplied by 5/8Step-by-step explanation:we know thatTo determine the height of a stack of 7 books that are each 2 5/8 inches thick. multiply 7 by 2 5/8so[tex]7(2\frac{5}{8})\\ \\7(2+\frac{5}{8})\\ \\7*2+7*\frac{5}{8}\\ \\14+\frac{35}{8}\\ \\14+4+\frac{3}{8}\\ \\18\frac{3}{8}\ in[/tex]thereforeSeven was not multiplied by 5/8