an advertisement reads \all books 31 percent off.\ a best-selling novel is originally priced at \$18.99. about how much money will gio save if he buys the novel on sale?

\$2
\$6
\$10
\$14

Question

an advertisement reads \all books 31 percent off.\ a best-selling novel is originally priced at \$18.99. about how much money will gio save if he buys the novel on sale?

\$2
\$6
\$10
\$14

Accepted Answer

{ "quality": "clear", "question_count": 1, "skills_matched": [ "step_cot", "multiple_choice_formatter", "explain_then_answer", "quick" ], "needs_drawing": false, "concepts_used": [ "Percent Estimation" ], "new_concepts": [], "current_concepts": [ "Percent Estimation", "Percentage of a Quantity" ] } ## Round the values for estimation $$ \begin{aligned} &\text{Original Price} \approx \$19.00\ &\text{Discount Percent} \approx 30\% \end{aligned} $$ ## Calculate the estimated savings $$ \begin{aligned} &\text{Savings} \approx 30\% \times \$19.00\ &\text{Savings} \approx 0.30 \times 19 = 5.70 \approx \$6 \end{aligned} $$

$2

$6

$10

$14

{ "subject": "Mathematics", "question_type": "Multiple Choice", "knowledge_point": [ "Mathematics", "Arithmetic", "Percent Estimation" ] }

Sovi.AI - AI Math Tutor

QUESTION IMAGE

Question

Explanation:

Round the values for estimation

Calculate the estimated savings

Answer: