A person has 20 coins, all nickels and dimes, worth one dollar and 40 cents. How many nickels are there?

If n = number of nickels and d = number of dimes, which system of equations represents the problem?

Jack bought a set of golf clubs for $250 and received a discount of $20 how much was the discount

Kyri is creating a rug out of square units so far. Does she have enough to make a rug with 6 rows and 6 columns of square units?

jake is placing a mat of width w+4 around a 40 cm by 50 cm portrait. write an expression for the perimeter of the outer edge of the mat

X take away 4 equals 5 has how many solutions

The long axis of the body is defined as the imaginary line created by directing a vertical line through the middle of the body from the top of the head to a space equidistant between the feet, essentially the midline of the body.

What is the slope of a line represented by the equation 3x+4y=12? a. - 4/3 b. - 3/4 c. 3/4 d. 4/3

Katya cut part of the jump rope off to make it shorter. The new length is 8 1/6 feet. The difference between the original length and the new length is 5/6 foot. The equation x-8 1.

Tamiko is covering this flower bed with wildflowers seeds. what is the area of the flower bed

A soccer team won 30% of their games and won 40 games. how many games did they play?

The units digit is twice the tens digit. If the number is doubled, it will be 12 more than the reversed number. Find the number.