Answer:
14
Step-by-step explanation:
5x-7=3x+21
2x=28
x=14
Answer:105
Step-by-step explanation:
Here we have $400 originally and it is invested at an interest rate of 0.015 for 4 years.
Therefore we can say that the interest rate is 0.015 * 4 * 100 = 6% for the 4 years.
Simple interest is 6% / 4 = 1.5%.
And the principal is $400.
Answer:
the awnser is in fraction form

Answer:
C
Step-by-step explanation:
You need to multiply the variable by how much each ride costs.