The figure below shows a parallelogram that is divided into four parts A, B, C and D. The line XY divides the parallelogram into half. The ratio of area A to area B is 5:3 and the ratio of area B to area C is 2:3. Area D is 140 cm2. What is the area of the parallelogram? 1 %23 A C D 40cm

The figure below shows a parallelogram that is divided into four parts A, B, C and D. The line XY divides the parallelogram into half. The ratio of area A to area B is 5:3 and the ratio of area B to area C is 2:3. Area D is 140 cm2. What is the area of the parallelogram? 1 %23 A C D 40cm

Holt Mcdougal Larson Pre-algebra: Student Edition 2012

1st Edition

ISBN:9780547587776

Author:HOLT MCDOUGAL

Publisher:HOLT MCDOUGAL

Chapter9: Real Numbers And Right Triangles

Section9.4: Real Numbers

Problem 42E

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Question

Problems Involving Ratios of Three Quantities
the word problems. Show your working and statements clearly. You may refer to the
Mathematical Problem Solving Approach on page 159.
The figure below shows a parallelogram that is divided into four parts A, B,
C and D. The line XY divides the parallelogram into half. The ratio of area A
to area B is 5: 3 and the ratio of area B to area C is 2:3. Area D is 140 cm2.
What is the area of the parallelogram?
1.
A
D 440cm2
Area A
Area B
Area B
2u 64
3u9
Area C
A :BIB.C
5: 32 3s
10:616:9
C180 - 14O
= 40
3u=40
du = 403
Number Transfe
Check!
Units
Calculations
Be Focused
Explore and Plan
wajgoj

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