Answer
x=3.5
Work Step by Step
Set the product of the means equal to the product of the extremes and solve for the variable.
$0.04\times700=8\times x$
$28=8x$
$28\div8=8x\div8$
$3.5=x$
Elementary Technical Mathematics
by Nelson, Robert; Eren, Dale;
Published by
Brooks Cole
ISBN 10:
1285199197
ISBN 13:
978-1-28519-919-1
Chapter 7 - Section 7.2 - Proportion - Exercises - Page 277: 25
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