Julio rode his bike 5 miles in 37.5 minutes. The equation y = 7.5x can be used to represent this situation. What is the constant of proportionality? Express your answer in decimal form.

Asmall foreign car gete 42 miles per gallon and user 35 gallons on a trip.gasoline costs $1.05 per gallon.what was the cost of gasoline per mile driver?

Ijust need to see how to do this. so you don’t have to answer all of them just a step by step explanation of one.

Pepe and leo deposits money into their savings account at the end of the month the table shows the account balances. if there pattern of savings continue and neither earns interest nor withdraw any of the money , how will the balance compare after a very long time ?