Penelope has several coins, all nickles and quarters in her piggy bank. The total amount of money that she has is 15.65. If penelope has 13 more nickels than quarters how many quarters does she have?

Calculate 6.75-3.1 and round to the correct number of significant digits

Which of the following is the missing term of the geometric sequence in which a1 = 2 and a3 = 200?

What is - 7 8/45 as a decimal?

Lin bought 3 hats for $22.50. How many Euros would it cost her to buy 20 hats if $1 dollar is equal to 0.91 Euros?

Why is the gcf of two numbers sometimes 1

To divide 14 2/3 : 2 3/4, Erik multiplied 14 2/3 x 4/3. Explain Erik's error.

Is y equals 4x - 3 + x equals negative to the Y equals what number

Fran reads 75 pages every week, if there are 4 weeks in a month, how many pages can she read in a month

Solve the triangle. 1) B = 71°, b = 15, c = 8

Arnold had three pieces of different colored strings that are all the same length. Arnold cut the blue string into 2 equal size lengths. he cut the red string into 3 equal-size length, and the green string into 6 equal-size.