emma has $2.40 worth of nickels and dimes. she has a total of 30 nickels and dimes
altogether. graphically solve a system of equations in order to determine the number
of nickels, x, and the number of dimes, y, that emma has.

nickels=150 which is 1.50 cents

dimes=300 which is 3.00 dollars

Step-by-step explanation:

nickels=30 times 5

dimes=30 times 10

the answer is:

the answer is:

to solve the problem, we need to remember the quotient of power property, it's defined by the following relation:

if we have a quotienf of powers that have the same base, we need to keep the same base and subtract the exponent of the denominator power to the exponent of the numerator power.

so, we are given the expression:

then, calculating we have:

hence, the answer is:

have a nice day!