As James bought his textbooks for classes one semester, he estimated the cost to the nearest ten dollars. He knew he could cover the cost up to $315. His math book cost $68.41,
Biology text was $105.35, literature text cost $72.49, and the AutoCAD text was $59.91.
What rounded sum did James determine? Could he buy all his books at this time?
A)$310; yes
B)$306.16; yes
C)$320; no
D)$305; yes

Question

Quizplus · Accepted Answer

Rounding each textbook cost to the nearest ten gives: Math book = $70, Biology text = $110, Literature text = $70, and AutoCAD text = $60. The total rounded sum is $310 ($70+$110+$70+$60), which is within his budget of $315.

As James Bought His Textbooks for Classes One Semester, He