Silver Level Challenge #1

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© 2011 MATHCOUNTS Foundation. All rights reserved. MATHCOUNTS Club Program Silver Level Challenge #1 1. ���������� The bar graph shows the number of cartons of milk sold per day last week at Jones Junior High. What is the positive difference between the mean and median number of cartons of milk sold per day over the five-day period? 2. ��������� How many rectangles are in this figure? Each angle is a right angle. 3. ���������� If B is 30% greater than A, and C is 80% greater than A, by what percent is C greater than B? Express your answer as a decimal to the nearest tenth. 4. ���������� The sum of 40 consecutive integers is 100. What is the largest of these integers? 5. ���������� Currently,  1 4 of the members of a local club are boys, and there are 80 members. If no one withdraws from the club, what is the minimum number of boys that would need to join to make the club  1 3 boys? cartons Name SILVER LEVEL CHALLENGE #1 Calculators may be used. boys Cartons Of Milk Sold Per Day Number Sold Day Wed Thurs Fri Mon Tues 10 20 40 0 30 rectgls %

description

Silver

Transcript of Silver Level Challenge #1

Page 1: Silver Level Challenge #1

© 2011 MATHCOUNTS Foundation. All rights reserved. MATHCOUNTS Club Program Silver Level Challenge #1

1. ���������� The bar graph shows the number of cartons of milk sold per day last week at Jones Junior High. What is the positive difference between the mean and median number of cartons of milk sold per day over the five-day period?

2. ��������� How many rectangles are in this figure? Each angle is a right angle.

3. ���������� If B is 30% greater than A, and C is 80% greater than A, by what percent is C greater than B? Express your answer as a decimal to the nearest tenth.

4. ���������� The sum of 40 consecutive integers is 100. What is the largest of these integers?

5. ���������� Currently,  14  of the members of a local club

are boys, and there are 80 members. If no one withdraws from the club, what is the minimum number of boys that would need to join to make the club  1

3  boys?

cartons

Name

SILVER LEVEL CHALLENGE #1

Calculators may be used.

boys

Cartons Of Milk Sold Per Day

Nu

mb

er

So

ld

Day

Wed Thurs FriMon Tues

10

20

40

0

30

rectgls

%