Tracy had 87 nickels. She used some of her nickels to buy a cookie. Tracy later found 19 nickels in her backpack. Now Tracy has 64 nickels. How many nickels did Tracy use to buy the cookie?

use recipes to practice multiplication with fractions and mixed numbers work together to solve problems such as one batch of recipe calls for 2 1/4 cup of flour how much would flour would we need to make 1/2 batches

6) The amount of Jen's monthly phone bill is normally distributed with a mean of $70 and a standard deviation of $10. What percentage of her phone bills are between $40 and $100? A) 68.26% B) 99.99% C) 95.

7 times some number added to 5 amounts to 11 added to the product of 4 and the number

What is the value of this expression? 3 x [ (7 + 8) x 2 + 6] Answers A. 64 B. 87 C. 96 D. 108

The area of a square is 17 feet. what is the approximate measure of one side?

If your income is $18.00 and the prices of x and y are $4.00 and $2.00, respectively, what quantities of each will you purchase to maximize utility?

Which statement is true about the number that is 8% of 32

What is ... x+8y=-15 7x+8y=-9

Daddy is buying paper cups and paper plates cups come in packages of 10 and plates come in packages of 15 she wants to buy the same number of cups and plates but plans to buy least number of packages possible how much should not expect to pay it

Round 713,949 to the nearest hundred