Answer:
Step-by-step explanation:
Let 
be the cost of renting from Mozart's Music Store for 
years, and 
be the cost of renting from Bach's Music Store for years.
From the problem statement, we can come up with the following equations:
Plugging in 
for each equation, we can get the answer:
From this, we can see that the value is equal for both stores.
Answer:
Step-by-step explanation:
62 to the nearest ten is 60.
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.
You would multiply 6 by 3 and x by 4. You would end up getting 4x = 18 and then you simplify that to get 9/2 or 4.5.
Answer:
4
Step-by-step explanation:
Given :
5c+cd where, 
and d=15
Now,
5×
=1+3
=4
Answer is 4
