B) Jacob has four more nickels than dimes in his pocket, for a total of $1.25. What is x, the number of dimes in his pocket?
Step-by-step explanation:
The equation is multiplying the number of dimes (x) by the value of a dime 0.10. it is also adding 4 to the value of x ( 4 more nickels than dimes) and multiplying that by the value of a nickel.