2. Alice, Ben and Carl collect stamps. They exchange stamps among themselves according to the following scheme: Alice gives Ben as many stamps as Ben has and Carl as many stamps as Carl has. After that, Ben gives Alice and Carl as many stamps as each of them has, and then Carl gives Alice and Ben as many stamps as each has. If each finally has 64 stamps, with how many stamps does Alice start? 3. Solve the following cryptarithms. Note that in each problem, letters represent a single digit only. (a) (HE) = SHE; and, (b) WRONG+ WRONG = RIGHT 4. How many squares of all sizes are in an 8x8 checkerboard?
2. Alice, Ben and Carl collect stamps. They exchange stamps among themselves according to the following scheme: Alice gives Ben as many stamps as Ben has and Carl as many stamps as Carl has. After that, Ben gives Alice and Carl as many stamps as each of them has, and then Carl gives Alice and Ben as many stamps as each has. If each finally has 64 stamps, with how many stamps does Alice start? 3. Solve the following cryptarithms. Note that in each problem, letters represent a single digit only. (a) (HE) = SHE; and, (b) WRONG+ WRONG = RIGHT 4. How many squares of all sizes are in an 8x8 checkerboard?
Algebra for College Students
10th Edition
ISBN:9781285195780
Author:Jerome E. Kaufmann, Karen L. Schwitters
Publisher:Jerome E. Kaufmann, Karen L. Schwitters
Chapter2: Equations, Inequalities, And Problem Solving
Section2.CR: Review Problem Set
Problem 79CR
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