Estimate a $$ 15 \% $$ tip on a dinner bill of $$ \$ 81.78 $$ by first rounding the bill amount to the nearest ten dollars.

Question

UpStudy AI · Accepted Answer

To estimate a **15% tip** on a dinner bill of **\$81.78** by rounding to the nearest ten dollars, follow these steps:

1. **Round the Bill Amount:**
   - The original bill is **\$81.78**.
   - **Rounding to the nearest ten dollars**:
     - \$81.78 is closer to \$80 than to \$90.
     - **Rounded amount**: **\$80**.

2. **Calculate 15% of the Rounded Amount:**
   - **15% of \$80** can be calculated as:
     $$
     0.15 \times 80 = 12
     $$
   - **Estimated Tip**: **\$12**.

3. **Summary:**
   - **Original Bill**: \$81.78
   - **Rounded Bill**: \$80
   - **15% Tip**: \$12

So, **a 15% tip on a \$81.78 bill, after rounding to the nearest ten dollars, is approximately \$12**.
To estimate a 15% tip on a \$81.78 bill by rounding to the nearest ten dollars, first round \$81.78 to \$80. Then, calculate 15% of \$80, which is \$12. So, the estimated tip is \$12.

Estimate a tip on a dinner bill of by first rounding the bill amount to the nearest ten dollars.

Solución de inteligencia artificial de Upstudy

Responder

Solución

Mind Expander

preguntas relacionadas

Latest Arithmetic Questions