Answer:
Both of them will have the amount of money after weeks and both of them have
.
Step-by-step explanation:
Jayden has $100 and saves $25 per week.
Liv has $180 and spends $15 per week.
Let both of them have the same amount of money after weeks.
According to the question,
So, both of them will have the amount of money after weeks.
After weeks, Jason will have
dollars.
Hence, both of them will have the amount of money after weeks and both of them have
.
Answer:
Amy has 12 5¢ coins
Step-by-step explanation:
Let <em>x</em> represent 20¢ coins and <em>y</em> represent 5¢ coins.
Amy has four more 20¢ coins than 5¢ coins. Hence:
And the total value of all her coins is $3.80. Thus:
This yields a system of equations:
We can solve by substitution. Substitute the first equation into the first:
Distribute:
Combine like terms:
And divide both sides by 0.25. Hence:
Thus, Amy has 12 5¢ coins.
Using the first equation:
Substitute:
Thus, Amy has 16 20¢ coins.
In conclusion, Amy has 12 5¢ coins and 16 20¢ coins.