Yes, Bobby will have enough money if he saves for 9 weeks. You can find this through either substituting w for 9 in the equation, or solving the equation itself.
Substituting:

Substitute w for 9.

Simplify.

Solve.
255 is greater than 250, so yes, he will have enough money saved.
Solving the equation:

Original Equation

Subtract 30 from both sides.

Divide both sides by 25.
The number of weeks he needs is 8.8. When rounding it up, you get 9.
Answer:
4 2/5 or 4.4
Step-by-step explanation:
2/5 = 0.4
4.0 + 0.4 = 4.4
Answer:
22/4
Step-by-step explanation:
Answer:
<h3><u>Required Answer</u><u>:</u><u>-</u></h3>
Every number raised to a negative exponent will have a value smaller than 1.
<h3><u>Reason</u><u> </u><u>:</u><u>-</u></h3>
- It will only be negative if the number is negative with an odd exponent.
- what you're actually doing is dividing instead of multiplying.
<h3>For
Example:-</h3>

Answer:
6 pounds 8 ounces
Step-by-step explanation:
The median of an even number of numbers is the average of the middle two when sorted into numerical order. Here, that is the average ...
((6 pounds 4 ounces) + (6 pounds 12 ounces))/2 = 6 pounds 8 ounces